hereinafter , the present invention will be described in more detail through the following examples , which are provided to facilitate the understanding of the present invention . however , the present invention is not limited to or by the examples . in the following preparative examples , nmr spectra were measured on a varian mercury - vx 300m instrument , and standardized with δh / c 7 . 26 / 77 . 23 ppm ( cdcl 3 ). the reagents were mainly provided by shanghai chemical co . ltd ., and the products were mainly purified by column chromatography using zlx - ii silica gel ( 200 - 300 mesh ), which is commercially available from qingdao haiyang chemical co . ltd . 55 mmol tyrosine was suspended in a mixture of 100 ml h 2 o and 100 ml 1 , 4 - dioxane , followed by addition of 110 mmol triethylamine . after the reaction mixture was reacted for 1 h , 83 mmol ( boc ) 2 o was added , and the reaction was continued for 20 h . the reaction solution was then rotarily evaporated to dryness . the residue was diluted with ice water , and washed with ethyl acetate . the water phase was adjusted to ph 2 , and extracted with ethyl acetate . the concentrated product was dissolved in 100 ml dme , and 0 . 22 mol imidazole was added therein . after stirred for 10 min , 0 . 1 mol tbsc1 was added . the mixture was reacted overnight , and then quenched with ice water , extracted with ethyl ether , and concentrated to obtain compound 14 ( yield : 80 %). 32 mmol compound 14 was dissolved in 200 ml redistilled dme , followed by addition of 32 mmol n - methylmorpholine and 32 mmol isobutyl chloroformate at − 13 . after reacted for 1 h at room temperature , the reaction mixture was purged with ammonia for 4 h , and then quenched with ice water , extracted with chloroform . the concentrated product was dissolved in 200 ml redistilled dme , followed by addition of 16 mmol lawesson reagent . the mixture was reacted for 5 h , and then quenched with ice water , adjusted to ph 8 , and extracted with dichloromethane . after ratorily evaporated to dryness , the residue was purified through column chromatography to obtain compound 15 ( yield : 80 %). 1 mmol compound 15 and 8 mmol potassium bicarbonate were dissolved in 10 ml redistilled dme , and the mixture was reacted for 15 min , followed by addition of 3 mmol a - ethyl bromopyruvate . after the reaction mixture was reacted for 3 h , a solution of trifluoroacetic anhydride ( 4 mmol ) and 2 , 6 - dimethylpyridine ( 8 mmol ) in 5 ml dme was added dropwise at 0 , and the reaction was continued for 5 h . after dme was removed by rotary evaporation , the residue was washed with water , extracted with ethyl acetate . the organic phase was rotarily evaporated to dryness , and the residue was purified through column chromatography to obtain compound 16 ( yield : 90 %). the compound 16 ( 7 . 5 mmol ) was dissolved in 50 ml dichloromethane , followed by dropwise addition of a solution of dibal - h ( 19 mmol ) in n - hexane ( 19 ml ) at − 78 . after reacted for 10 h , the reaction mixture was quenched with acetone , and then heated to room temperature , followed by addition of 20 % sodium potassium tartrate solution . after stirred for 10 h , the reaction mixture was extracted with ethyl acetate . the organic phase was concentrated , and the residue was purified through column chromatography to obtain compound 17 ( yield : 70 %). 6 mmol phosphonate compound of ( eto ) 2 p ( o ) ch ( ch 3 ) co 2 et was dissolved in 10 ml anhydrous thf , followed by addition of 7 mmol nah . after the reaction mixture was reacted for 30 min , a solution of 3 mmol compound 17 in thf was added under ice bath , and the reaction was continued for 4 h . the reaction mixture was then quenched with ice water , and extracted with ethyl acetate . the organic phase was concentrated , and the residue was purified through column chromatography to obtain compound 18 ( yield : 82 %). 0 . 5 mmol lithium aluminium hydride was dissolved in 20 ml anhydrous thf , followed by addition of a solution of 0 . 5 mmol compound 18 in thf ( 10 ml ). the reaction mixture was reacted for 1 h , then quenched with ice water , and extracted with ethyl acetate . the concentrated product was used in the next reaction . 1 mmol oxalyl chloride was dissolved in 2 ml dichloromethane . after the solution was cooled to − 78 , a solution of dimethyl sulfoxide ( 2 mmol ) in dichloromethane was added , and the reaction mixture was stirred for 30 min . then a solution of compound 20 ( 0 . 5 mmol ) in dichloromethane was added dropwise , and the mixture was reacted for 8 h , followed by addition of 3 mmol triethylamine . after the reaction mixture was stirred for 10 h at room temperature , ice water was added . the reaction mixture was extracted with dichloromethane , and the organic phase was concentrated . the residue was purified through column chromatography to obtain compound 19 ( yield : 70 %). 27 mmol 18 - crown - 6 and 5 . 5 mmol phosphonate compound of ( cf 3 ch 2 o ) 2 p ( o ) ch ( ch 3 ) co 2 et were dissolved in 10 ml anhydrous thf , and the solution was cooled to − 78 . after addition of 5 . 5 mmol potassium bis ( trimethylsilyl ) amide solution , the reaction mixture was reacted for 1 h . then a solution of compound 19 ( 1 . 3 mmol ) in thf ( 5 ml ) was added , and the reaction was continued for 2 h . the reaction mixture was quenched with saturated ammonium chloride solution , heated to room temperature , diluted with ice water , and extracted with ethyl acetate . the organic phase was concentrated , and the residue was purified through column chromatography to obtain compound 20 ( yield : 90 %). 0 . 05 mmol compound 20 was dissolved in redistilled thf , followed by dropwise addition of 0 . 075 mmol tetrabutylammonium fluoride . after the reaction mixture was reacted for 2 h , the solvent was removed by rotary evaporation , and 0 . 5 mmol anhydrous potassium carbonate and 2 ml dmf were added . after dropwise addition of 0 . 25 mmol benzyl bromide , the reaction mixture was reacted overnight , then quenched with ice water , and extracted with ethyl acetate . the organic phase was concentrated , and the residue was purified through column chromatography to obtain compound 21 ( yield : 80 %). 0 . 05 mmol compound 21 was dissolved in 2 ml dichloromethane , followed by dropwise addition of 0 . 75 ml trifluoroacetic acid . after the mixture was reacted for 2 h , the solvent and trifluoroacetic acid were removed by rotary evaporation , and the obtained intermediate was stored for use . a glide of ch 3 ( ch 2 ) 3 coc ( pph 3 ) cn ( 0 . 1 mmol ) was dissolved in 10 ml anhydrous dichloromethane , and the solution was cooled to − 78 , and then purged with ozone until the system became blue . a solution of the intermediate obtained before from compound 21 in dichloromethane ( 2 ml ) was added , and the reaction mixture was reacted for 1 h . after the solvent was removed by rotary evaporation , a solution of silver oxide ( 0 . 5 mmol ) in thf / h 2 o ( 0 . 4 ml / 0 . 1 ml ) was added . the reaction mixture was reacted overnight , then quenched with ice water , and extracted with dichloromethane . the organic phase was concentrated , and the residue was purified through column chromatography ( petroleum ether : ethyl acetate = 4 : 1 ) to obtain compound 22 ( yield : 20 - 50 %). 1 h nmr ( cdcl 3 , 300 mhz ): δ 0 . 91 ( t , 3h ), 1 . 27 ( t , 3h ), 1 . 32 ( m , 2h ), 1 . 57 ( m , 2h ), 2 . 03 ( s , 3h ), 2 . 15 ( s , 3h ), 2 . 88 ( t , 2h ), 3 . 25 ( d , 2h ), 4 . 21 ( q , 2h ), 5 . 21 ( s , 2h ), 5 . 42 ( q , 1h ), 6 . 27 ( s , 1h ), 6 . 47 ( s , 1h ), 6 . 84 ( d , 2h ), 6 . 99 ( s , 1h ), 7 . 01 ( d , 2h ), 7 . 33 - 7 . 42 ( 5h ), 7 . 65 ( d , 1h ). the final products of example 2 - 13 listed in table 1 - 1 were prepared in a process similar to that described in example 1 . δ1 . 27 ( t , 3h ), 2 . 03 ( s , 3h ), 2 . 17 ( s , 3h ), 3 . 32 ( d , 2h ), 4 . 21 ( q , 2h ), 5 . 01 ( s , 2h ), 5 . 58 ( q , 1h ), 6 . 28 ( s , 1h ), 6 . 49 ( s , 1h ), 7 . 00 ( d , 2h ), 7 . 03 ( s , 1h ), 7 . 06 ( d , 2h ), 7 . 30 - 7 . 49 ( 8h ), 7 . 61 ( d , 1h ), 7 . 76 ( d , 1h ), 8 . 26 ( d , 1h ). δ 1 . 16 ( dd , 4h ), 1 . 25 ( t , 3h ), 2 . 03 ( s , 3h ), 2 . 16 ( s , 3h ), 3 . 04 ( m , 1h ), 3 . 27 ( dd , 2h ), 4 . 22 ( q , 2h ), 5 . 01 ( s , 2h ), 5 . 47 ( q , 1h ), 6 . 27 ( s , 1h ), 6 . 47 ( s , 1h ), 6 . 85 ( d , 2h ), 6 . 87 ( s , 1h ), 6 . 88 ( d , 2h ), 7 . 31 - 7 . 43 ( 5h ), 7 . 69 ( d , 1h ). δ1 . 27 ( t , 3h ), 2 . 03 ( s , 3h ), 2 . 17 ( s , 3h ), 3 . 31 ( d , 2h ), 4 . 21 ( q , 2h ), 5 . 02 ( s , 2h ), 5 . 58 ( q , 1h ), 6 . 28 ( s , 1h ), 6 . 49 ( s , 1h ), 6 . 87 ( d , 2h ), 7 . 02 ( s , 1h ), 7 . 05 ( d , 2h ), 7 . 13 ( t , 2h ), 7 . 30 - 7 . 49 ( 5h ), 7 . 82 ( d , 1h ), 8 . 37 ( dd , 1h ). δ 1 . 25 ( t , 3h ), 1 . 40 - 1 . 50 ( 4h ), 1 . 65 - 1 . 75 ( 6h ), 2 . 03 ( s , 3h ), 2 . 16 ( s , 3h ), 3 . 25 ( d , 2h ), 3 . 27 ( m , 1h ), 4 . 22 ( q , 2h ), 5 . 01 ( s , 2h ), 5 . 45 ( q , 1h ), 6 . 27 ( s , 1h ), 6 . 48 ( s , 1h ), 6 . 84 ( d , 2h ), 6 . 96 ( s , 1h ), 7 . 04 ( d , 2h ), 7 . 30 - 7 . 43 ( 5h ), 7 . 63 ( d , 1h ). δ 1 . 26 ( t , 3h ), 1 . 58 - 1 . 78 ( 4h ), 1 . 80 - 1 . 96 ( 4h ), 1 . 98 ( s , 3h ), 2 . 11 ( s , 3h ), 3 . 26 ( d , 2h ), 3 . 72 ( m , 1h ), 4 . 21 ( q , 2h ), 5 . 01 ( s , 2h ), 5 . 45 ( q , 1h ), 6 . 27 ( s , 1h ), 6 . 47 ( s , 1h ), 6 . 84 ( d , 2h ), 6 . 99 ( s , 1h ), 7 . 00 ( d , 2h ), 7 . 31 - 7 . 39 ( 5h ), 7 . 79 ( d , 1h ). δ 1 . 25 ( t , 3h ), 2 . 03 ( s , 3h ), 2 . 16 ( s , 3h ), 3 . 25 ( d , 2h ), 3 . 36 ( s , 3h ), 3 . 88 ( d , 2h ), 4 . 21 ( q , 2h ), 5 . 02 ( s , 2h ), 5 . 54 ( q , 1h ), 6 . 28 ( s , 1h ), 6 . 48 ( s , 1h ), 6 . 87 ( d , 2h ), 6 . 99 ( s , 1h ), 7 . 02 ( d , 2h ), 7 . 31 - 7 . 42 ( 6h ). δ 1 . 28 ( t , 3h ), 2 . 03 ( s , 3h ), 2 . 14 ( s , 3h ), 3 . 26 ( d , 2h ), 3 . 99 ( s , 2h ), 4 . 19 ( q , 2h ), 4 . 51 ( s , 2h ), 5 . 01 ( s , 2h ), 5 . 57 ( q , 1h ), 6 . 27 ( s , 1h ), 6 . 48 ( s , 1h ), 6 . 84 ( d , 2h ), 6 . 98 ( d , 2h ), 6 . 99 ( s , 1h ), 7 . 26 ( d , 1h ), 7 . 27 - 7 . 42 ( 9h ). δ 1 . 27 ( t , 3h ), 2 . 03 ( s , 3h ), 2 . 16 ( s , 3h ), 2 . 18 - 2 . 27 ( m , 6h ), 4 . 21 ( q , 2h ), 4 . 02 ( m , 1h ), 5 . 01 ( s , 2h ), 5 . 43 ( q , 1h ), 6 . 28 ( s , 1h ), 6 . 48 ( s , 1h ), 6 . 85 ( d , 2h ), 6 . 99 ( s , 1h ), 7 . 01 ( d , 2h ), 7 . 33 - 7 . 42 ( 5h ), 7 . 72 ( d , 1h ). δ 1 . 27 ( t , 3h ), 1 . 54 - 1 . 87 ( 4h ), 2 . 03 ( s , 3h ), 2 . 11 ( d , 3h ), 3 . 24 ( dt , 2h ), 3 . 81 ( dq , 2h ), 4 . 21 ( q , 2h ), 4 . 34 ( m , 1h ), 5 . 02 ( d , 2h ), 5 . 53 ( q , 1h ), 6 . 27 ( s , 1h ), 6 . 47 ( d , 1h ), 6 . 94 ( d , 2h ), 7 . 00 - 7 . 09 ( 3h ), 7 . 26 - 7 . 40 ( 6h ). δ1 . 26 ( t , 3h ), 2 . 04 ( s , 3h ), 2 . 18 ( s , 3h ), 3 . 32 ( d , 2h ), 4 . 22 ( q , 2h ), 5 . 00 ( s , 2h ), 5 . 52 ( q , 1h ), 6 . 35 ( s , 1h ), 6 . 36 ( d , 1h ), 6 . 50 ( s , 1h ), 6 . 85 ( d , 2h ), 7 . 01 ( s , 1h ), 7 . 05 ( d , 2h ), 7 . 10 ( br , 1h ), 7 . 31 - 7 . 42 ( 5h ), 8 . 23 ( br , 1h ) δ 1 . 27 ( t , 3h ), 2 . 03 ( s , 3h ), 2 . 12 ( s , 3h ), 3 . 23 ( dd , 2h ), 4 . 10 ( d , 2h ), 4 . 20 ( q , 2h ), 5 . 01 ( s , 2h ), 5 . 55 ( q , 1h ), 6 . 27 ( s , 1h ), 6 . 47 ( s , 1h ), 6 . 84 ( d , 2h ), 6 . 83 ( s , 1h ), 7 . 00 ( d , 2h ), 7 . 32 - 7 . 42 ( 6h ). δ1 . 25 ( t , 3h ), 2 . 04 ( s , 3h ), 2 . 18 ( s , 3h ), 3 . 32 ( d , 2h ), 4 . 22 ( q , 2h ), 5 . 00 ( s , 2h ), 5 . 53 ( q , 1h ), 6 . 28 ( s , 1h ), 6 . 49 ( d , 1h ), 6 . 87 ( d , 2h ), 7 . 01 ( s , 1h ), 7 . 04 ( d , 2h ), 7 . 16 ( t , 1h ), 7 . 31 - 7 . 42 ( 5h ), 7 . 82 ( dd , 2h ), 8 . 04 ( d , 2h ), 8 . 39 ( dd , 2h ). the preparation of compound 21 was the same as described in example 1 . 0 . 05 mmol compound 21 was dissolved in 1 ml dichloromethane , followed by dropwise addition of 0 . 3 ml trifluoroacetic acid . after the mixture was reacted for 2 h , the solvent and trifluoroacetic acid were removed by rotary evaporation . 0 . 06 mmol f 3 ccooh , 0 . 12 mmol edci , 0 . 01 mmol dmap and 2 ml dmf were added , and the reaction mixture was reacted overnight , and then quenched with ice water , and extracted with ethyl acetate . the organic phase was concentrated , and the residue was purified through column chromatography ( petroleum ether : ethyl acetate = 4 : 1 ) to obtain compound 23 ( yield : 50 - 90 %). 1 h nmr ( cdcl 3 , 300 mhz ): δ 1 . 26 ( t , 3h ), 2 . 04 ( s , 3h ), 2 . 17 ( s , 3h ), 3 . 26 ( dq , 2h ), 4 . 21 ( q , 2h ), 5 . 02 ( s , 2h ), 5 . 47 ( q , 1h ), 6 . 27 ( s , 1h ), 6 . 48 ( s , 1h ), 6 . 88 ( d , 2h ), 6 . 98 ( d , 2h ), 7 . 04 ( s , 1h ), 7 . 32 - 7 . 44 ( 5h ), 7 . 48 ( d , 1h ). the final products of example 15 - 34 listed in table 1 - 2 were prepared in a process similar to that described in example 14 . δ1 . 24 ( t , 3h ), 1 . 99 ( s , 3h ), 2 . 14 ( s , 3h ), 3 . 34 ( dq , 2h ), 4 . 17 ( q , 2h ), 5 . 01 ( s , 2h ), 5 . 69 ( q , 1h ), 6 . 27 ( s , 1h ), 6 . 49 ( s , 1h ), 6 . 84 ( d , 2h ), 7 . 00 ( s , 1h ), 7 . 02 ( d , 2h ), 7 . 09 ( m , 2h ), 7 . 31 - 7 . 42 ( 5h ), 7 . 76 ( m , 2h ). δ1 . 26 ( t , 3h ), 2 . 03 ( s , 3h ), 2 . 16 ( s , 3h ), 3 . 34 ( dq , 2h ), 4 . 21 ( q , 2h ), 5 . 01 ( s , 2h ), 5 . 72 ( q , 1h ), 6 . 28 ( s , 1h ), 6 . 50 ( s , 1h ), 6 . 85 ( d , 2h ), 7 . 05 ( s , 1h ), 7 . 08 ( d , 2h ), 7 . 12 ( d , 1h ), 7 . 31 - 7 . 74 ( 8h ), 7 . 75 ( d , 2h ). δ 1 . 25 ( t , 3h ), 1 . 50 - 1 . 90 ( 8h ), 2 . 03 ( s , 3h ), 2 . 03 ( m , 1h ), 2 . 14 ( s , 3h ), 3 . 23 ( d , 2h ) , 4 . 21 ( q , 2h ), 5 . 01 ( s , 2h ), 5 . 53 ( q , 1h ), 6 . 27 ( br , 2h ), 6 . 48 ( s , 1h ), 6 . 84 ( d , 2h ), 6 . 97 ( d , 2h ), 6 . 99 ( s , 1h ), 7 . 31 - 7 . 43 ( 5h ). δ 1 . 24 ( t , 3h ), 1 . 87 ( m , 2h ), 1 . 98 ( s , 3h ), 2 . 18 ( s , 3h ), 2 . 21 ( m , 4h ), 3 . 00 ( m , 1h ), 3 . 22 ( d , 2h ) , 4 . 20 ( q , 2h ), 5 . 01 ( s , 2h ), 5 . 52 ( q , 1h ), 6 . 17 ( d , 1h ), 6 . 27 ( s , 1h ), 6 . 48 ( s , 1h ), 6 . 84 ( d , 2h ), 6 . 98 ( d , 2h ), 6 . 99 ( s , 1h ), 7 . 28 - 7 . 42 ( 5h ). δ 1 . 26 ( t , 3h ), 2 . 04 ( s , 3h ), 2 . 15 ( s , 3h ), 3 . 26 ( d , 2h ), 4 . 00 ( s , 2h ), 4 . 19 ( q , 2h ), 4 . 52 ( s , 2h ), 5 . 00 ( s , 2h ), 5 . 58 ( q , 1h ), 6 . 28 ( s , 1h ), 6 . 50 ( s , 1h ), 6 . 83 ( d , 2h ), 6 . 99 ( d , 2h ), 7 . 01 ( s , 1h ), 7 . 27 ( d , 2h ), 7 . 28 - 7 . 43 ( 8h ). δ 1 . 26 ( t , 3h ), 2 . 03 ( s , 3h ), 2 . 11 ( s , 3h ), 2 . 15 ( s , 3h ), 3 . 24 ( dq , 2h ), 4 . 20 ( q , 2h ), 4 . 57 ( d , 2h ), 5 . 01 ( s , 2h ), 5 . 54 ( q , 1h ), 6 . 27 ( s , 1h ), 6 . 46 ( s , 1h ), 6 . 90 ( d , 2h ), 7 . 01 ( d , 2h ), 7 . 04 ( s , 1h ), 7 . 31 - 7 . 43 ( 5h ). δ 0 . 74 ( m , 2h ), 0 . 90 ( m , 2h ), 1 . 24 ( t , 3h ), 1 . 38 ( m , 1h ), 2 . 03 ( s , 3h ), 2 . 14 ( s , 3h ), 3 . 24 ( dq , 2h ), 4 . 21 ( q , 2h ), 5 . 01 ( s , 2h ), 5 . 53 ( q , 1h ), 6 . 27 ( d , 1h ), 6 . 50 ( br , 2h ), 6 . 86 ( d , 2h ), 6 . 98 ( d , 2h ), 7 . 00 ( s , 1h ), 7 . 30 - 7 . 43 ( 5h ). δ1 . 27 ( t , 3h ), 2 . 04 ( s , 3h ), 2 . 17 ( s , 3h ), 3 . 37 ( dq , 2h ), 4 . 21 ( q , 2h ), 5 . 00 ( s , 2h ), 5 . 72 ( q , 1h ), 6 . 29 ( s , 1h ), 6 . 51 ( s , 1h ), 6 . 86 ( d , 2h ), 7 . 02 ( s , 1h ), 7 . 04 ( d , 2h ), 7 . 24 ( d , 2h ), 7 . 28 - 7 . 45 ( 8h ), 7 . 78 ( s , 1h ), 7 . 82 ( t , 2h ). δ1 . 26 ( t , 3h ), 2 . 04 ( s , 3h ), 2 . 15 ( s , 3h ), 3 . 34 ( dq , 2h ), 3 . 83 ( s , 3h ), 4 . 21 ( q , 2h ), 5 . 01 ( s , 2h ), 5 . 71 ( q , 1h ), 6 . 28 ( s , 1h ), 6 . 50 ( s , 1h ), 6 . 85 ( d , 2h ), 6 . 90 ( d , 2h ), 7 . 02 ( d , 2h ), 7 . 09 ( m , 2h ), 7 . 29 - 7 . 40 ( 5h ), 7 . 73 ( d , 2h ). δ 1 . 27 ( t , 3h ), 1 . 85 ( m 4h ), 2 . 05 ( s , 3h ), 2 . 25 ( d , 3h ), 3 . 22 ( dq , 2h ), 3 . 75 ( m , 2h ), 4 . 18 ( q , 2h ), 4 . 34 ( q , 1h ), 5 . 01 ( d , 2h ), 5 . 48 ( q , 1h ), 6 . 27 ( s , 1h ), 6 . 47 ( d , 1h ), 6 . 85 ( d , 2h ), 6 . 98 ( m , 3h ), 7 . 29 - 7 . 43 ( 5h ). δ 1 . 03 ( s , 9h ), 1 . 26 ( t , 3h ), 2 . 03 ( s , 3h ), 2 . 05 ( s , 2h ), 2 . 14 ( s , 3h ), 3 . 22 ( d , 2h ), 4 . 20 ( q , 2h ), 5 . 01 ( s , 2h ), 5 . 54 ( q , 1h ), 6 . 26 ( br , 2h ), 6 . 48 ( s , 1h ), 6 . 84 ( d , 2h ), 6 . 99 ( s , 1h ), 7 . 01 ( d , 2h ), 7 . 28 - 7 . 39 ( 5h ). δ 1 . 26 ( t , 3h ), 2 . 04 ( s , 3h ), 2 . 09 ( s , 3h ), 3 . 13 ( d , 2h ), 3 . 57 ( s , 2h ), 4 . 21 ( q , 2h ), 5 . 02 ( s , 2h ), 5 . 52 ( q , 1h ), 6 . 15 ( d , 2h ), 6 . 26 ( s , 1h ), 6 . 43 ( s , 1h ), 6 . 78 ( br , 4h ), 6 . 97 ( br , 1h ), 7 . 17 ( m , 2h ), 7 . 29 - 7 . 44 ( 8h ). δ1 . 26 ( t , 3h ), 2 . 03 ( s , 3h ), 2 . 17 ( s , 3h ), 3 . 33 ( dq , 2h ), 4 . 21 ( q , 2h ), 5 . 01 ( s , 2h ), 5 . 68 ( q , 1h ), 6 . 28 ( s , 1h ), 6 . 49 ( br , 2h ), 6 . 85 ( d , 2h ), 7 . 00 ( s , 1h ), 7 . 04 ( d , 2h ), 7 . 09 ( d , 1h ), 7 . 15 ( d , 1h ), 7 . 31 - 7 . 43 ( 5h ). δ 1 . 11 ( dd , 6h ), 1 . 26 ( t , 3h ), 2 . 03 ( s , 3h ), 2 . 14 ( s , 3h ), 2 . 38 ( m , 1h ), 3 . 22 ( dd , 2h ), 4 . 21 ( q , 2h ), 5 . 02 ( s , 2h ), 5 . 53 ( q , 1h ), 6 . 27 ( s , 1h ), 6 . 37 ( d , 1h ), 6 . 48 ( s , 1h ), 6 . 84 ( d , 2h ), 6 . 98 ( d , 2h ), 7 . 00 ( s , 1h ), 7 . 28 - 7 . 42 ( 5h ). δ 0 . 94 ( dd , 6h ), 1 . 26 ( t , 3h ), 2 . 04 ( s , 3h ), 2 . 15 ( s , 3h ), 3 . 34 ( dq , 2h ), 3 . 63 ( d , 1h ), 4 . 21 ( q , 2h ), 4 . 37 ( s , 2h ), 4 . 97 ( s , 2h ), 5 . 63 ( q , 1h ), 6 . 28 ( s , 1h ), 6 . 48 ( br , 2h ), 6 . 80 ( d , 2h ), 7 . 01 ( s , 1h ), 7 . 03 ( d , 2h ), 7 . 29 - 7 . 42 ( 10h ). δ 2 . 03 ( s , 3h ), 2 . 09 ( d , 3h ), 3 . 20 ( m , 2h ), 3 . 75 ( s , 3h ), 5 . 01 ( d , 2h ), 5 . 04 ( br , 1h ), 5 . 52 ( q , 1h ), 6 . 26 ( s , 1h ), 6 . 42 ( s , 1h ), 6 . 74 - 6 . 99 ( 6h ), 7 . 24 - 7 . 44 ( 8h ). δ 1 . 26 ( t , 3h ), 1 . 30 - 1 . 44 ( 4h ), 1 . 66 - 1 . 80 ( 6h ), 2 . 03 ( s , 3h ), 2 . 07 ( m , 1h ), 2 . 14 ( s , 3h ), 3 . 27 ( d , 2h ) 4 . 21 ( q , 2h ), 5 . 01 ( s , 2h ), 5 . 55 ( q , 1h ), 6 . 14 ( d , 1h ), 6 . 27 ( s , 1h ), 6 . 48 ( s , 1h ), 6 . 85 ( d , 2h ), 6 . 99 ( d , 2h ), 7 . 01 ( s , 1h ), 7 . 32 - 7 . 42 ( 5h ). δ 0 . 85 ( m , 2h ), 1 . 16 ( m , 3h ), 1 . 28 ( t , 3h ), 1 . 62 - 1 . 72 ( 6h ), 2 . 03 ( s , 3h ), 2 . 07 ( m , 2h ), 2 . 14 ( s , 3h ), 3 . 22 ( d , 2h ), 4 . 21 ( q , 2h ), 5 . 01 ( s , 2h ), 5 . 56 ( q , 1h ), 6 . 21 ( d , 1h ), 6 . 27 ( s , 1h ), 6 . 48 ( s , 1h ), 6 . 86 ( d , 2h ), 6 . 99 ( s , 1h ), 7 . 01 ( d , 2h ), 7 . 31 - 7 . 43 ( 5h ). δ 1 . 28 ( t , 3h ), 1 . 68 ( br , 4h ), 1 . 93 ( m , 1h ), 2 . 03 ( s , 3h ), 2 . 11 ( m , 2h ), 2 . 17 ( s , 3h ), 2 . 30 ( br , 1h ), 3 . 15 - 3 . 22 ( 3h ) , 4 . 21 ( q , 2h ), 5 . 02 ( s , 2h ), 5 . 56 ( q , 1h ), 6 . 25 ( d , 1h ), 6 . 27 ( s , 1h ), 6 . 47 ( s , 1h ), 6 . 85 ( d , 2h ), 7 . 00 ( d , 2h ), 7 . 03 ( d , 2h ), 7 . 06 ( t , 1h ), 7 . 31 - 7 . 42 ( 4h ). δ 1 . 26 ( t , 3h ), 1 . 70 - 1 . 82 ( 2h ), 1 . 96 - 2 . 02 ( 2h ), 2 . 03 ( s , 3h ), 2 . 07 ( m , 1h ), 2 . 13 ( s , 3h ), 2 . 28 ( s , 3h ), 2 . 86 ( m , 2h ), 3 . 22 ( dd , 2h ), 4 . 20 ( q , 2h ), 5 . 01 ( s , 2h ), 5 . 53 ( q , 1h ), 6 . 27 ( s , 1h ), 6 . 31 ( d , 1h ), 6 . 47 ( s , 1h ), 6 . 84 ( d , 2h ), 6 . 96 ( d , 2h ), 6 . 99 ( s , 1h ), 7 . 31 - 7 . 42 ( 5h ). δ 1 . 26 ( t , 3h ), 1 . 30 - 1 . 44 ( 4h ), 1 . 66 - 1 . 80 ( 6h ), 2 . 03 ( s , 3h ), 2 . 07 ( m , 1h ), 2 . 14 ( s , 3h ), 3 . 22 ( dd , 2h ), 4 . 20 ( q , 2h ), 5 . 02 ( s , 2h ), 5 . 53 ( q , 1h ), 6 . 27 ( s , 1h ), 6 . 32 ( d , 1h ), 6 . 48 ( s , 1h ), 6 . 84 ( d , 2h ), 6 . 98 ( d , 2h ), 6 . 99 ( s , 1h ), 7 . 30 - 7 . 43 ( 5h ). the preparation of compound 20 was the same as described in example 1 . 0 . 05 mmol compound 20 was dissolved in 1 ml dichloromethane , followed by dropwise addition of 0 . 3 ml trifluoroacetic acid . after the reaction mixture was reacted for 2 h , the solvent and trifluoroacetic acid were removed by rotary evaporation . 0 . 056 mmol cyclohexanecarboxylic acid , 0 . 12 mmol edci , 0 . 01 mmol dmap and 2 ml dmf were added , and the reaction mixture was reacted overnight , and then quenched with ice water , and extracted with ethyl acetate . the organic phase was concentrated , and the residue was purified through column chromatography to obtain compound 24 ( yield : 80 %). 0 . 04 mmol compound 24 was dissolved in 1 ml thf , followed by dropwise addition of 0 . 06 mmol tetrabutylammonium fluoride . after the reaction mixture was reacted for 2 h , the solvent was removed by rotary evaporation . 0 . 5 mmol anhydrous potassium carbonate and 2 ml dmf were added , followed by dropwise addition of ch 3 i . the reaction mixture was reacted overnight , and then quenched with ice water , and extracted with ethyl acetate . the organic phase was concentrated , and the residue was purified through column chromatography ( petroleum ether : ethyl acetate = 4 : 1 ) to obtain compound 25 ( yield : 60 - 95 %). 1 h nmr ( cdcl 3 , 300 mhz ): δ 1 . 27 ( t , 3h ), 1 . 30 - 1 . 44 ( 4h ), 1 . 66 - 1 . 81 ( 6h ), 2 . 02 ( s , 3h ), 2 . 07 ( m , 1h ), 2 . 14 ( s , 3h ), 3 . 22 ( m , 2h ), 3 . 76 ( s , 3h ), 4 . 21 ( q , 2h ), 5 . 52 ( q , 1h ), 6 . 23 ( d , 1h ), 6 . 27 ( s , 1h ), 6 . 47 ( s , 1h ), 6 . 76 ( d , 2h ), 6 . 96 ( d , 2h ), 6 . 98 ( s , 1h ). the final products of example 36 - 54 listed in table 1 - 3 were prepared in a process similar to that described in example 35 . δ 1 . 27 ( t , 3h ), 1 . 30 - 1 . 44 ( 4h ), 1 . 66 - 1 . 81 ( 6h ), 2 . 02 ( s , 3h ), 2 . 07 ( m , 1h ), 2 . 13 ( s , 3h ), 3 . 17 ( d , 2h ), 4 . 21 ( q , 2h ), 5 . 53 ( q , 1h ), 6 . 27 ( s , 1h ), 6 . 39 ( d , 1h ), 6 . 48 ( s , 1h ), 6 . 70 ( d , 2h ), 6 . 90 ( d , 2h ), 6 . 99 ( s , 1h ). δ 1 . 27 ( m , 6h ), 1 . 30 - 1 . 44 ( 4h ), 1 . 66 - 1 . 81 ( 6h ), 2 . 02 ( s , 3h ), 2 . 07 ( m , 1h ), 2 . 13 ( s , 3h ), 3 . 22 ( m , 2h ), 4 . 22 ( m , 4h ), 4 . 56 ( s , 2h ), 5 . 51 ( q , 1h ), 6 . 24 ( d , 1h ), 6 . 26 ( s , 1h ), 6 . 46 ( s , 1h ), 6 . 77 ( d , 2h ), 6 . 97 ( d , 2h ), 6 . 98 ( s , 1h ). δ 1 . 27 ( m , 3h ), 1 . 30 - 1 . 44 ( 4h ), 1 . 66 - 1 . 81 ( 6h ), 2 . 02 ( s , 3h ), 2 . 06 ( m , 1h ), 2 . 13 ( s , 3h ), 3 . 16 ( m , 2h ), 4 . 22 ( q , 2h ), 4 . 61 ( s , 2h ), 5 . 51 ( q , 1h ), 6 . 26 ( s , 1h ), 6 . 47 ( s , 1h ), 6 . 67 ( d , 1h ), 6 . 78 ( d , 2h ), 6 . 95 ( d , 2h ), 7 . 00 ( s , 1h ). δ 1 . 27 ( m , 9h ), 1 . 30 - 1 . 44 ( 4h ), 1 . 66 - 1 . 81 ( 6h ), 1 . 57 ( d , 2h ), 2 . 02 ( s , 3h ), 2 . 07 ( m , 1h ), 3 . 19 ( m , 2h ), 4 . 22 ( m , 4h ), 4 . 67 ( q , 1h ), 5 . 50 ( q , 1h ), 6 . 23 ( dd , 1h ), 6 . 26 ( s , 1h ), 6 . 46 ( s , 1h ), 6 . 72 ( d , 2h ), 6 . 93 ( d , 2h ), 6 . 97 ( s , 1h ). δ 1 . 27 ( t , 3h ), 1 . 30 - 1 . 44 ( 4h ), 1 . 66 - 1 . 81 ( 6h ), 2 . 02 ( s , 3h ), 2 . 07 ( m , 1h ), 2 . 14 ( s , 3h ), 3 . 21 ( m , 2h ), 3 . 94 ( br , 2h ), 4 . 02 ( d , 2h ), 4 . 21 ( q , 2h ), 5 . 52 ( q , 1h ), 6 . 27 ( br , 2h ), 6 . 47 ( s , 1h ), 6 . 77 ( d , 2h ), 6 . 96 ( d , 2h ), 6 . 99 ( s , 1h ). δ 0 . 96 ( t , 3h ), 1 . 27 ( t , 3h ), 1 . 30 - 1 . 44 ( 5h ), 1 . 66 - 1 . 81 ( 9h ), 2 . 02 ( s , 3h ), 2 . 07 ( m , 1h ), 2 . 14 ( s , 3h ), 3 . 22 ( m , 2h ), 3 . 90 ( t , 2h ), 4 . 21 ( q , 2h ), 5 . 52 ( q , 1h ), 6 . 23 ( d , 1h ), 6 . 57 ( s , 1h ), 6 . 47 ( s , 1h ), 6 . 76 ( d , 2h ), 6 . 95 ( d , 2h ), 6 . 99 ( s , 1h ). δ 1 . 27 ( t , 3h ), 1 . 32 - 1 . 44 ( 4h ), 1 . 66 - 1 . 80 ( 6h ), 2 . 02 ( s , 3h ), 2 . 07 ( m , 1h ), 2 . 13 ( s , 3h ), 3 . 22 ( d , 2h ), 4 . 20 ( q , 2h ), 5 . 07 ( s , 2h ), 5 . 50 ( q , 1h ), 6 . 26 ( s , 1h ), 6 . 28 ( d , 1h ), 6 . 47 ( s , 1h ), 6 . 80 ( d , 2h ), 6 . 90 ( d , 2h ), 6 . 99 ( s , 1h ), 7 . 52 ( d , 2h ), 7 . 66 ( d , 2h ). δ 1 . 27 ( t , 3h ), 1 . 32 - 1 . 44 ( 4h ), 1 . 66 - 1 . 80 ( 6h ), 2 . 03 ( s , 3h ), 2 . 07 ( m , 1h ), 2 . 14 ( s , 3h ), 3 . 21 ( d , 2h ), 4 . 21 ( q , 2h ), 4 . 97 ( s , 2h ), 5 . 52 ( q , 1h ), 6 . 25 ( d , 1h ), 6 . 27 ( s , 1h ), 6 . 48 ( s , 1h ), 6 . 82 ( d , 2h ), 6 . 85 ( d , 2h ), 6 . 86 ( s , 1h ), 6 . 99 ( dd , 2h ), 7 . 38 ( dd , 2h ). δ 1 . 27 ( t , 3h ), 1 . 32 - 1 . 44 ( 4h ), 1 . 66 - 1 . 80 ( 6h ), 2 . 03 ( s , 3h ), 2 . 07 ( m , 1h ), 2 . 14 ( s , 3h ), 3 . 22 ( d , 2h ), 3 . 80 ( s , 3h ), 4 . 21 ( q , 2h ), 4 . 93 ( s , 2h ), 5 . 53 ( q , 1h ), 6 . 26 ( d , 1h ), 6 . 27 ( s , 1h ), 6 . 48 ( s , 1h ), 6 . 83 ( d , 2h ), 6 . 89 ( d , 2h ), 6 . 97 ( d , 2h ), 6 . 99 ( s , 1h ), 7 . 33 ( d , 2h ). δ 1 . 27 ( t , 3h ), 1 . 32 - 1 . 44 ( 4h ), 1 . 66 - 1 . 80 ( 6h ), 2 . 03 ( s , 3h ), 2 . 07 ( m , 1h ), 2 . 14 ( s , 3h ), 3 . 22 ( d , 2h ), 4 . 21 ( q , 2h ), 5 . 01 ( s , 2h ), 5 . 52 ( q , 1h ), 6 . 26 ( d , 1h ), 6 . 27 ( s , 1h ), 6 . 48 ( s , 1h ), 6 . 82 ( d , 2h ), 6 . 98 ( d , 2h ), 6 . 99 ( s , 1h ), 7 . 11 - 7 . 34 ( 4h ). δ 1 . 27 ( t , 3h ), 1 . 32 - 1 . 44 ( 4h ), 1 . 66 - 1 . 80 ( 6h ), 2 . 03 ( s , 3h ), 2 . 07 ( m , 1h ), 2 . 14 ( s , 3h ), 3 . 22 ( d , 2h ), 4 . 21 ( q , 2h ), 5 . 08 ( s , 2h ), 5 . 52 ( q , 1h ), 6 . 25 ( d , 1h ), 6 . 27 ( s , 1h ), 6 . 48 ( s , 1h ), 6 . 84 ( d , 2h ), 6 . 98 ( d , 2h ), 6 . 99 ( s , 1h ), 7 . 07 ( t , 1h ), 7 . 15 ( t , 1h ), 7 . 29 ( t , 1h ), 7 . 48 ( t , 1h ). δ 1 . 25 ( t , 3h ), 1 . 32 - 1 . 44 ( 4h ), 1 . 66 - 1 . 80 ( 6h ), 2 . 03 ( s , 3h ), 2 . 07 ( m , 1h ), 2 . 13 ( s , 3h ), 3 . 23 ( m , 2h ), 4 . 20 ( q , 2h ), 5 . 19 ( s , 2h ), 5 . 52 ( q , 1h ), 6 . 25 ( d , 1h ), 6 . 27 ( s , 1h ), 6 . 48 ( s , 1h ), 6 . 89 ( d , 2h ), 6 . 93 - 7 . 03 ( 4h ), 7 . 47 - 7 . 53 ( 2h ), 7 . 83 - 7 . 87 ( 3h ). δ 1 . 27 ( t , 3h ), 1 . 32 - 1 . 44 ( 4h ), 1 . 66 - 1 . 80 ( 6h ), 2 . 03 ( s , 3h ), 2 . 07 ( m , 1h ), 2 . 14 ( s , 3h ), 3 . 27 ( d , 2h ), 4 . 22 ( q , 2h ), 5 . 56 ( q , 1h ), 6 . 27 ( s , 1h ), 6 . 33 ( d , 1h ), 6 . 47 ( s , 1h ), 6 . 90 ( t , 1h ), 6 . 96 ( d , 2h ), 7 . 02 ( s , 1h ), 7 . 13 ( d , 2h ), 7 . 98 ( dd , 1h ), 8 . 07 ( dd , 1h ). δ 1 . 26 ( t , 3h ), 1 . 30 - 1 . 44 ( 4h ), 1 . 66 - 1 . 80 ( 6h ), 2 . 03 ( s , 3h ), 2 . 07 ( m , 1h ), 2 . 14 ( s , 3h ), 3 . 07 ( t , 2h ), 3 . 24 ( m , 2h ), 4 . 12 ( t , 2h ), 4 . 24 ( q , 2h ), 5 . 53 ( q , 1h ), 6 . 22 ( d , 1h ), 6 . 27 ( s , 1h ), 6 . 48 ( s , 1h ), 6 . 75 ( d , 2h ), 6 . 94 ( d , 2h ), 6 . 98 ( s , 1h ), 7 . 30 - 7 . 43 ( 5h ). δ 1 . 26 ( t , 3h ), 1 . 30 - 1 . 44 ( 4h ), 1 . 66 - 1 . 80 ( 6h ), 2 . 03 ( s , 3h ), 2 . 07 ( m , 1h ), 2 . 14 ( s , 3h ), 3 . 22 ( m , 2h ), 4 . 22 ( q , 2h ), 5 . 16 ( s , 2h ), 5 . 53 ( q , 1h ), 6 . 22 ( d , 1h ), 6 . 27 ( s , 1h ), 6 . 47 ( s , 1h ), 6 . 83 ( d , 2h ), 6 . 97 ( d , 2h ), 6 . 99 ( s , 1h ), 7 . 22 ( t , 1h ), 7 . 49 ( d , 1h ), 7 . 70 ( t , 1h ), 8 . 59 ( d , 1h ). δ 1 . 26 ( t , 3h ), 1 . 30 - 1 . 44 ( 4h ), 1 . 66 - 1 . 80 ( 6h ), 2 . 02 ( s , 3h ), 2 . 07 ( m , 1h ), 2 . 12 ( s , 3h ), 3 . 21 ( d , 2h ), 4 . 19 ( q , 2h ), 5 . 03 ( s , 2h ), 5 . 51 ( q , 1h ), 6 . 26 ( s , 1h ), 6 . 33 ( d , 1h ), 6 . 46 ( s , 1h ), 6 . 80 ( d , 2h ), 6 . 97 ( d , 2h ), 6 . 98 ( s , 1h ), 7 . 32 ( d , 2h ), 8 . 58 ( d , 2h ). δ 1 . 27 ( t , 3h ), 1 . 30 - 1 . 44 ( 4h ), 1 . 66 - 1 . 80 ( 6h ), 2 . 02 ( s , 3h ), 2 . 07 ( m , 1h ), 2 . 12 ( s , 3h ), 3 . 22 ( m , 2h ), 4 . 21 ( q , 2h ), 4 . 88 ( s , 2h ), 5 . 52 ( q , 1h ), 6 . 25 ( d , 1h ), 6 . 27 ( s , 1h ), 6 . 47 ( br , 2h ), 6 . 82 ( d , 2h ), 6 . 97 ( d , 2h ), 6 . 99 ( s , 1h ), 7 . 42 ( br , 1h ), 7 . 48 ( br , 1h ). δ 1 . 27 ( t , 3h ), 1 . 30 - 1 . 44 ( 4h ), 1 . 66 - 1 . 80 ( 6h ), 2 . 02 ( s , 3h ), 2 . 07 ( m , 1h ), 2 . 14 ( s , 3h ), 3 . 22 ( m , 2h ), 4 . 21 ( q , 2h ), 5 . 02 ( s , 2h ), 5 . 52 ( q , 1h ), 6 . 23 ( d , 1h ), 6 . 27 ( s , 1h ), 6 . 48 ( s , 1h ), 6 . 83 ( d , 2h ), 6 . 97 ( d , 2h ), 6 . 99 ( s , 1h ), 7 . 12 ( br , 1h ), 7 . 30 ( m , 2h ). δ 1 . 27 ( t , 3h ), 1 . 30 - 1 . 44 ( 4h ), 1 . 66 - 1 . 81 ( 6h ), 2 . 02 ( s , 3h ), 2 . 07 ( m , 1h ), 2 . 14 ( s , 3h ), 3 . 22 ( br , 2h ), 4 . 21 ( q , 2h ), 4 . 48 ( d , 2h ), 5 . 26 ( d , 1h ), 5 . 38 ( d , 1h ), 5 . 52 ( q , 1h ), 6 . 02 ( m , 1h ), 6 . 24 ( d , 1h ), 6 . 27 ( s , 1h ), 6 . 47 ( s , 1h ), 6 . 77 ( d , 2h ), 6 . 96 ( d , 2h ), 6 . 99 ( s , 1h ). the preparation of the compound 20 was the same as described in example 1 . 0 . 05 mmol compound 20 was dissolved in 1 ml dichloromethane , followed by dropwise addition of 0 . 3 ml trifluoroacetic acid . after the reaction mixture was reacted for 2 h , the solvent and trifluoroacetic acid were removed by rotary evaporation . after 0 . 125 mmol triflic anhydride , 0 . 15 mmol dmap and 2 ml ch 2 cl 2 were added , the reaction mixture was reacted overnight , and then concentrated to obtain compound 26 ( yield : 100 %). 0 . 04 mmol compound 26 , 0 . 004 mmol tetrakis ( triphenylphosphine ) palladium , 0 . 06 mmol anhydrous potassium carbonate and boric acid were dissolved in 2 ml redistilled toluene . the reaction mixture was reacted overnight at 50 , and then quenched with ice water , and extracted with ethyl acetate . the organic phase was concentrated , and the residue was purified through column chromatography ( petroleum ether : ethyl acetate = 4 : 1 ) to obtain compound 27 ( yield : 60 - 90 %). 1 h nmr ( cdcl 3 , 300 mhz ): δ 1 . 27 ( t , 3h ), 1 . 30 - 1 . 44 ( 4h ), 1 . 66 - 1 . 80 ( 6h ), 2 . 03 ( s , 3h ), 2 . 07 ( m , 1h ), 2 . 13 ( s , 3h ), 3 . 20 ( dd , 2h ), 4 . 21 ( q , 2h ), 5 . 56 ( q , 1h ), 6 . 27 ( br , 2h ), 6 . 46 ( br , 1h ), 7 . 02 ( s , 1h ), 7 . 15 ( br , 4h ). the final product of example 57 listed in table 1 - 4 was prepared in a process similar to that described in example 56 . δ 1 . 27 ( t , 3h ), 1 . 30 - 1 . 44 ( 4h ), 1 . 66 - 1 . 80 ( 6h ), 2 . 03 ( s , 3h ), 2 . 07 ( m , 1h ), 2 . 15 ( s , 3h ), 3 . 23 ( dd , 2h ), 4 . 21 ( q , 2h ), 5 . 60 ( q , 1h ), 6 . 27 ( br , 2h ), 6 . 47 ( br , 1h ), 7 . 01 ( s , 1h ), 7 . 13 - 7 . 57 ( 8h ). the preparation of the compound 25 was the same as described in example 36 . 0 . 2 mmol compound 25 was dissolved in 5 ml dichloromethane , followed by dropwise addition of 1 . 2 mmol boron trichloride - trifluoroacetic acid under ice salt bath . after reacted for 3 h , the reaction mixture was quenched with ice water , and extracted with ethyl acetate . the organic phase was concentrated , and the residue was purified through column chromatography ( petroleum ether : ethyl acetate = 4 : 1 ) to obtain compound 28 ( yield : 50 - 80 %). δ 1 . 27 ( t , 3h ), 1 . 30 - 1 . 44 ( 4h ), 1 . 66 - 1 . 81 ( 6h ), 2 . 02 ( s , 3h ), 2 . 07 ( m , 1h ), 2 . 14 ( s , 3h ), 3 . 21 ( m , 2h ), 4 . 19 ( q , 2h ), 4 . 48 ( d , 2h ), 5 . 26 ( d , 1h ), 5 . 34 ( d , 1h ), 5 . 51 ( q , 1h ), 6 . 02 ( m , 1h ), 6 . 26 ( s , 1h ), 6 . 29 ( d , 1h ), 6 . 47 ( s , 1h ), 6 . 77 ( d , 2h ), 6 . 96 ( d , 2h ), 6 . 98 ( s , 1h ). δ 1 . 27 ( t , 3h ), 1 . 30 - 1 . 44 ( 4h ), 1 . 66 - 1 . 81 ( 6h ), 2 . 02 ( s , 3h ), 2 . 05 ( m , 1h ), 2 . 11 ( s , 3h ), 3 . 14 ( dd , 2h ), 3 . 89 ( s , 2h ), 4 . 20 ( q , 2h ), 5 . 49 ( q , 1h ), 6 . 26 ( s , 1h ), 6 . 32 ( d , 1h ), 6 . 47 ( s , 1h ), 6 . 64 ( d , 2h ), 6 . 74 ( s , 1h ), 6 . 79 ( d , 2h ), 6 . 95 ( s , 1h ), 7 . 12 - 7 . 24 ( 3h ). the preparation of the compound 17 was the same as described in example 1 . with respect to the preparation of the compound 18 ′, compound 19 ′ and compound 20 ′, please refer to the procedures described in example 1 for preparing compound 18 , compound 19 and compound 20 , respectively . 0 . 05 mmol compound 20 ′ was dissolved in 1 ml dichloromethane , followed by dropwise addition of 0 . 3 ml trifluoroacetic acid . after the reaction mixture was reacted for 2 h , the solvent and trifluoroacetic acid were removed by rotary evaporation . then 0 . 056 mmol cyclohexanecarboxylic acid , 0 . 12 mmol edci , 0 . 01 mmol dmap and 2 ml dmf were added , and the reaction mixture was reacted overnight , and then quenched with ice water , and extracted with ethyl acetate . the organic phase was concentrated , and the residue was purified through column chromatography . the above obtained compound was dissolved in 1 ml thf , followed by dropwise addition of 0 . 075 mmol tetrabutylammonium fluoride . after the reaction mixture was reacted for 2 h , the solvent was removed by rotary evaporation . 0 . 5 mmol anhydrous potassium carbonate and 2 ml dmf were added , followed by dropwise addition of 0 . 25 mmol benzyl bromide . the reaction mixture was reacted overnight , and then quenched with ice water , and extracted with ethyl acetate . the organic phase was concentrated , and the residue was purified through column chromatography ( petroleum ether : ethyl acetate = 4 : 1 ) to obtain compound 29 ( yield : 50 - 80 %). δ 1 . 26 ( t , 3h ), 1 . 30 - 1 . 44 ( 4h ), 1 . 66 - 1 . 80 ( 6h ), 2 . 10 ( s , 3h ), 2 . 15 ( br , 1h ), 2 . 30 ( s , 3h ), 3 . 24 ( d , 2h ), 4 . 24 ( q , 2h ), 5 . 02 ( s , 2h ), 5 . 56 ( q , 1h ), 6 . 33 ( d , 1h ), 6 . 60 ( s , 1h ), 6 . 85 ( d , 2h ), 7 . 00 ( d , 2h ), 7 . 07 ( s , 1h ), 7 . 28 ( s , 1h ), 7 . 32 - 7 . 42 ( 5h ). δ 1 . 30 ( t , 3h ), 1 . 32 - 1 . 41 ( 4h ), 1 . 66 - 1 . 80 ( 6h ), 1 . 90 ( s , 3h ), 2 . 11 ( s , 3h ), 2 . 13 ( m , 1h ), 3 . 19 ( m , 2h ), 4 . 22 ( q , 2h ), 5 . 02 ( s , 2h ), 5 . 51 ( q , 1h ), 6 . 36 ( d , 1h ), 6 . 55 ( s , 1h ), 6 . 90 ( d , 2h ), 6 . 95 ( d , 2h ), 6 . 97 ( s , 1h ), 7 . 31 - 7 . 43 ( 5h ), 7 . 79 ( s , 1h ). δ 1 . 26 ( t , 3h ), 1 . 32 - 1 . 41 ( 4h ), 1 . 66 - 1 . 80 ( 6h ), 2 . 03 ( br , 6h ), 2 . 10 ( m , 1h ), 3 . 21 ( d , 2h ), 4 . 16 ( q , 2h ), 5 . 01 ( s , 2h ), 5 . 49 ( q , 1h ), 6 . 36 ( d , 1h ), 6 . 40 ( s , 1h ), 6 . 75 ( s , 1h ) 6 . 84 ( d , 2h ), 6 . 91 ( s , 1h ), 6 . 97 ( d , 2h ), 7 . 32 - 7 . 43 ( 5h ). the preparation of the compound 21 was the same as described in example 1 . 0 . 05 mmol compound 21 was dissolved in 1 ml dichloromethane , followed by dropwise addition of 0 . 3 ml trifluoroacetic acid . after the reaction mixture was reacted for 2 h , the solvent and trifluoroacetic acid were removed by rotary evaporation . 0 . 06 mmol r 9 nhr 9 ′ was dissolved in 1 ml thf , followed by addition of 0 . 06 mmol carbonyldiimidazole . after the solution was stirred for 2 h , a solution of the above product in thf ( 0 . 5 ml ) was added , and the reaction mixture was reacted overnight under refluxing . the solvent was removed by rotary evaporation , and the residue was purified through column chromatography ( petroleum ether : ethyl acetate = 4 : 1 ) to obtain compound 30 ( yield : 50 - 90 %). δ 1 . 26 ( t , 3h ), 2 . 03 ( s , 3h ), 2 . 12 ( s , 3h ), 3 . 26 ( dq , 2h ), 4 . 21 ( q , 2h ), 5 . 03 ( s , 2h ), 5 . 46 ( q , 1h ), 6 . 27 ( s , 1h ), 6 . 45 ( s , 1h ), 6 . 86 ( d , 2h ), 6 . 97 ( d , 2h ), 7 . 04 ( s , 1h ), 7 . 32 - 7 . 44 ( 5h ). δ 1 . 22 - 1 . 32 ( 6h ), 1 . 62 ( m , 2h ), 1 . 85 ( m , 2h ), 2 . 02 ( s , 3h ), 2 . 12 ( s , 3h ), 2 . 45 ( m , 1h ), 2 . 86 ( m , 2h ), 3 . 22 ( m , 2h ), 3 . 80 ( m 2h ), 4 . 18 ( m , 4h ), 4 . 95 ( d , 1h ), 5 . 00 ( s , 2h ), 5 . 42 ( br , 1h ), 6 . 26 ( br , 1h ), 6 . 48 ( br , 1h ), 6 . 81 ( d , 2h ), 6 . 98 ( br , 3h ), 7 . 30 - 7 . 42 ( 5h ). δ 1 . 26 ( t , 3h ), 1 . 65 ( m , 2h ), 1 . 91 ( m , 2h ), 2 . 03 ( s , 3h ), 2 . 10 ( s , 3h ), 2 . 51 ( m , 1h ), 2 . 92 ( m , 2h ), 3 . 22 ( dq , 2h ), 3 . 85 ( m , 2h ), 4 . 20 ( q , 2h ), 5 . 01 ( s , 2h ), 5 . 42 ( q , 1h ), 5 . 59 ( d , 1h ), 6 . 27 ( br , 1h ), 6 . 49 ( br , 1h ), 6 . 84 ( d , 2h ), 6 . 97 ( d , 3h ), 7 . 00 ( s , 1h ), 7 . 30 - 7 . 42 ( 5h ). 50 mmol compound 13 was dissolved in sodium hydroxide solution ( 100 mmol / 50 ml ), and stirred for 1 . 5 h , followed by dropwise addition of copper sulfate solution ( 25 mmol / 25 ml ). after the reaction mixture was stirred for 30 min , methanol was added , followed by dropwise addition of 51 mmol benzyl bromide . the reaction mixture was reacted for 3 h at room temperature , and filtrated under reduced pressure . the filter cake was washed with 2n hcl , and dried in vacuo . the obtained product was suspended in a mixture of 100 ml water and 100 ml 1 , 4 - dioxane , followed by addition of 110 mmol triethylamine . after the reaction mixture was reacted for 1 h , 75 mmol ( boc ) 2 o was added therein , and the reaction was continued for 20 h . the reaction mixture was rotarily evaporated to dryness . the residue was diluted with ice water , and extracted with ethyl acetate . the water phase was adjusted to ph 2 , and extracted with ethyl acetate . the organic phase was concentrated to obtain compound 31 ( yield : 80 %). in 50 ml dichloromethane was dissolved 12 mmol compound 31 with 10 mmol ch 3 coc ( cooet ) nh 2 hcl , 12 mmol edci , 2 mmol dmap and 20 mmol pyridine . the reaction mixture was reacted overnight , and then diluted with ice water , and extracted with ethyl acetate . the organic phase was concentrated , and the residue was purified through column chromatography to obtain compound 32 ( yield : 70 %). 1 mmol compound 32 and 1 . 5 mmol lawssen reagent were dissolved in 10 ml thf , and the reaction mixture was reacted overnight under refluxing . the solvent was removed by rotary evaporation , and the residue was purified through column chromatography to obtain compound 33 ( yield : 60 - 95 %). with respect to the preparation of compound 34 from compound 33 , please refer to the procedure described in example 1 for preparing compound 20 from compound 16 . with respect to the preparation of compound 35 from compound 34 , please refer to the procedure described in example 14 for preparing compound 23 from compound 21 . δ 1 . 27 ( t , 3h ), 1 . 29 - 1 . 43 ( 4h ), 1 . 66 - 1 . 86 ( 6h ), 2 . 03 ( s , 3h ), 2 . 07 ( m , 1h ), 2 . 11 ( s , 1h ), 2 . 32 ( s , 3h ), 3 . 20 ( dd , 2h ) 4 . 20 ( q , 2h ), 5 . 02 ( s , 2h ), 5 . 45 ( q , 1h ), 6 . 28 ( br , 2h ), 6 . 31 ( d , 1h ), 6 . 84 ( d , 2h ), 6 . 99 ( d , 2h ), 6 . 99 ( s , 1h ), 7 . 31 - 7 . 42 ( 5h ). δ 1 . 25 ( t , 3h ), 1 . 28 - 1 . 45 ( 4h ), 1 . 68 - 1 . 88 ( 6h ), 2 . 00 ( s , 3h ), 2 . 09 ( m , 1h ), 2 . 17 ( s , 3h ), 3 . 27 ( m , 2h ), 4 . 17 ( q , 2h ), 5 . 03 ( s , 2h ), 5 . 55 ( q , 1h ), 6 . 20 ( s , 1h ), 6 . 30 ( d , 1h ), 6 . 33 ( s , 1h ), 6 . 87 ( d , 2h ), 7 . 05 ( d , 2h ), 7 . 31 - 7 . 43 ( 10h ). δ 0 . 89 ( d , 6h ), 1 . 26 ( t , 3h ), 1 . 29 - 1 . 44 ( 4h ), 1 . 66 - 1 . 85 ( 6h ), 2 . 03 ( s , 3h ), 2 . 08 ( m , 1h ), 2 . 13 ( s , 3h ), 2 . 56 ( d , 2h ), 3 . 20 ( m , 2h ), 4 . 20 ( q , 2h ), 5 . 01 ( s , 2h ), 5 . 47 ( q , 1h ), 6 . 25 ( br , 2h ), 6 . 36 ( d , 1h ), 6 . 82 ( d , 2h ), 6 . 96 ( d , 2h ), 7 . 31 - 7 . 42 ( 5h ). δ 0 . 89 ( m , 2h ), 1 . 26 ( t , 3h ), 1 . 64 - 1 . 75 ( 9h ), 2 . 00 ( s , 3h ), 2 . 07 ( m , 2h ), 2 . 18 ( s , 3h ), 3 . 27 ( m , 2h ), 4 . 17 ( q , 2h ), 5 . 02 ( s , 2h ), 5 . 58 ( q , 1h ), 6 . 20 ( s , 1h ), 6 . 23 ( d , 1h ), 6 . 34 ( d , 1h ), 6 . 87 ( d , 2h ), 7 . 07 ( d , 2h ), 7 . 31 - 7 . 50 ( 10h ). δ 0 . 89 ( d , 6h ), 1 . 26 ( t , 3h ), 1 . 29 - 1 . 44 ( 4h ), 1 . 66 - 1 . 85 ( 6h ), 2 . 03 ( s , 3h ), 2 . 08 ( m , 1h ), 2 . 13 ( s , 3h ), 2 . 56 ( d , 2h ), 3 . 20 ( m , 2h ), 4 . 20 ( q , 2h ), 5 . 01 ( s , 2h ), 5 . 47 ( q , 1h ), 6 . 25 ( br , 2h ), 6 . 36 ( d , 1h ), 6 . 82 ( d , 2h ), 6 . 96 ( d , 2h ), 7 . 31 - 7 . 42 ( 5h ). 0 . 02 mmol compound 36 and 0 . 08 mmol lithium hydroxide were dissolved in a mixed solvent of water and dioxane ( 0 . 5 ml / 0 . 5 ml ), and refluxed overnight . the reaction mixture was adjusted to ph 2 , and extracted with ethyl acetate . the organic phase was concentrated to obtain compound 37 ( yield : 100 %). δ 1 . 30 - 1 . 44 ( 4h ), 1 . 66 - 1 . 80 ( 6h ), 2 . 03 ( s , 3h ), 2 . 07 ( m , 1h ), 2 . 15 ( s , 3h ), 3 . 19 ( br , 2h ), 5 . 00 ( s , 2h ), 5 . 53 ( q , 1h ), 6 . 36 ( s , 1h ), 6 . 58 ( s , 1h ), 6 . 84 ( d , 2h ), 6 . 98 ( d , 2h ), 7 . 01 ( s , 1h ), 7 . 30 - 7 . 42 ( 5h ). δ1 . 30 - 1 . 44 ( 4h ), 1 . 66 - 1 . 80 ( 6h ), 2 . 10 ( s , 3h ), 2 . 15 ( br , 1h ), 2 . 30 ( s , 3h ), 3 . 00 ( d , 2h ), 4 . 49 ( d , 1h ), 5 . 06 ( s , 2h ), 5 . 20 ( m , 2h ), 6 . 60 ( s , 1h ), 6 . 91 ( d , 2h ), 7 . 17 ( s , 1h ), 7 . 18 ( d , 2h ), 7 . 31 - 7 . 44 ( 5h ), 7 . 56 ( s , 1h ), 8 . 46 ( d , 1h ). δ 0 . 85 ( m , 2h ), 1 . 16 ( m , 3h ), 1 . 62 - 1 . 72 ( 6h ), 2 . 03 ( s , 3h ), 2 . 07 ( m , 2h ), 2 . 14 ( s , 3h ), 3 . 22 ( d , 2h ), 4 . 99 ( s , 2h ), 5 . 54 ( q , 1h ), 6 . 34 ( s , 1h ), 6 . 58 ( s , 1h ), 6 . 83 ( d , 2h ), 6 . 95 ( d , 1h ), 7 . 01 ( br , 3h ), 7 . 27 - 7 . 39 ( 5h ). δ 1 . 34 - 1 . 42 ( 4h ), 1 . 63 - 1 . 78 ( 6h ), 2 . 05 ( s , 3h ), 2 . 08 ( m , 1h ), 2 . 17 ( s , 3h ), 3 . 23 ( d , 2h ), 5 . 00 ( s , 2h ), 5 . 54 ( q , 1h ), 6 . 29 ( s , 1h ), 6 . 36 ( s , 1h ), 6 . 85 ( d , 2h ), 6 . 91 ( d , 1h ), 7 . 06 ( d , 2h ), 7 . 28 - 7 . 39 ( 10h ). δ 0 . 89 ( m , 2h ), 1 . 64 - 1 . 75 ( 9h ), 2 . 01 ( m , 2h ), 2 . 03 ( s , 3h ), 2 . 15 ( s , 3h ), 3 . 22 ( d , 2h ), 4 . 98 ( s , 2h ), 5 . 57 ( q , 1h ), 6 . 28 ( s , 1h ), 6 . 38 ( d , 1h ), 6 . 85 ( d , 2h ), 7 . 07 ( d , 2h ), 7 . 30 - 7 . 38 ( 10h ). 1 ) test principle : the catalytic structural domain of hptp1b was expressed in e - coli system by a molecular biology protocol . the purified hptp1b recombinant protein can hydrolyze the phosphoester linkage of the pnpp substrate to obtain a product which has a strong light absorption at 410 nm . therefore , the variation of the enzyme activity and the inhibitory activity of a compound against the enzyme can be observed by directly monitoring the changes in the light absorption at 410 nm . a typical activity assay system is as follows : 50 mm mops , ph 7 . 0 , 1 mm edta , 2 mm dtt , 2 mm pnpp , 2 % dmso , 40 nm hptp1b . 2 ) measuring index : the light absorption was dynamically measured at 410 nm for 3 min . the slope of the first - order reaction of the dynamic curve thereof was considered as the activity index of the enzymes . 1 . 1 mg sample was dissolved in 200 μl dmso . to each wall of the a2 - h11 of a 96 - wells polypropylene plate , 20 μl of the solution was added , followed by addition of 80 μl dmso . the plate was used as mother plate . 2 . to each corresponding wall of a 96 - wells polypropylene plate , 2 μl of sample was added with a biomek 2000 automation workstation . the plate was used as daughter plate for screening . 3 . to each wall of a1 - d1 and e12 - h12 , 2 μl , dmso was added . these walls were regarded as 100 % of enzyme activity for control . 4 . to each wall of a12 - d12 and e1 - h1 , 2 μl positive control with different concentrations ( four concentrations prepared by double - fold dilution from 10 μl / ml ) was added respectively . 5 . to each wall of a1 - h12 , 88 μl assay mix was added respectively . 6 . to each wall of a1 - h12 , 10 μl hptp1b was added respectively . 7 . the light absorption was measured at 410 nm for 3 min on a spectramax 340 spectrometer . 8 . exporting the output into a txt file , and opening the file with excel . the average of the vmax values of a1 - d1 and e12 - h12 was considered as 100 % of enzyme activity . the inhibitory rate of the compound against ptp1b was calculated by the following equation : % inhibitory rate =( 1 − v max value of each screening wall / average of the v max values of blank control walls )* 100 % 4 ) results : the screening results were the % inhibitory rate against the enzyme when the compound concentration was 20 μg / ml . 1050 value was calculated according to a conventional screening when the inhibitory rate exceeded 50 %. the 1050 value of the positive control , 4 -[ 4 -( 4 - oxalyl - phenoxymethyl )- benzyloxy ]- phenyl - oxo - acetic acid , is 5 . 4 μm [ christopher t . seto , et al . j . med . chem ., 2002 , 45 , 3946 - 3952 ]. the 1050 value of each test compound against hptp1b is listed in table 2 . 1 ). experimental principle : the phosphorylation levels of insulin receptors ( irs ) in cells sensitive to insulin are regulated by ptk and ptpase . ptp1b is a negative regulator during the process . it can be evaluated by measuring the phosphorylation level of irs in cho / ir cells whether the ptp inhibitor has entered into the cells and how its effect in cells is . 1 . cell inoculation : cells in good growth condition were inoculated into a 6 - well plate with a density of 3 - 4 × 10 5 cells / well . to each well was added 2 ml f12 culture media containing 10 % fbs . 2 . starvation : after cultivation for 24 h , to each well was added 2 ml serum - free f12 culture media . then the plate was cultivated overnight . 3 . administration : after removing the old culture media , to each well was added 0 . 9 mlserum - free f12 culture media containing the test compound , wherein 1 mm na 3 vo 4 and 0 . 1 % dmso were used as positive and negative control , respectively . the plate was incubated for 2 - 4 h . 4 . insulin stimulation : to each well was added 100 μl 100 nm insulin solution so that the final concentration was 10 nm . the reaction was carried out for 10 min . 5 . sample collection : after discarding the culture media , to each well was added 150 μl × 1 loading buffer . the cells were lysed , and the samples were collected . 3 ). experimental results : the experiment evaluated the effect of wy586s on the phosphorylation levels of insulin receptors in cho / ir cells . the final concentration of test compound , wy586s , was set at 0 . 21 , 0 . 43 , 0 . 85 , 1 . 70 μm , respectively . the dmso solvent was used as negative control ( represented with 0 ), and sodium vanadate was used as positive compound ( represented with v ). as shown in fig1 , p - ir is the phosphorylated insulin receptor , representing the activity level of insulin receptor ; irβ is the insulin receptor β - subunit , representing the basal expression level of insulin receptor ; β - activated protein was used as internal control , representing total loading amount . it is shown from the investigation on the compound of wy586s that the phosphorylation level of ir significantly increases with the increase of the concentration of the inhibitor . therefore , it can be seen that wy586s plays an inhibitory function in the dephosphorylation of ir in cells , and can improve the insulin sensitivity of cells , indicating that this class of compounds can enhance the effect of insulin , and release insulin resistance to a certain extent .