화합물 55 - E 2 LC / MS A : 96 . 7 % 순도 , UV = 214 nm , Rt = 1 . 0 분 , ESI 435 . 2 ( M + H ) +. 1 H NMR ( 400 MHz , CD 3 OD ) δ 7 . 41 - 7 . 40 ( m , 2 H ) , 7 . 34 - 7 . 32 ( m , 3 H ) , 7 . 04 ( d , J = 6 . 0 Hz , 1 H ) , 6 . 26 ( dd , J = 7 . 2 Hz , 1 . 6 Hz , 1 H ) , 4 . 57 ( s , 1 H ) , 4 . 53 - 4 . 50 ( m , 1 H ) , 4 . 23 - 4 . 21 ( m , 1 H ) , 4 . 10 - 4 . 06 ( m , 1 H ) , 3 . 97 - 3 . 90 ( m , 1 H ) , 3 . 83 - 3 . 75 ( m , 2 H ) , 3 . 59 - 3 . 54 ( m , 1 H ) , 3 . 28 - 3 . 26 ( m , 2 H ) , 3 . 06 - 3 . 01 ( m , 1 H ) , 2 . 69 - 2 . 56 ( m , 4 H ) , 1 . 77 - 1 . 75 ( m , 4 H ) 1 . 54 - 1 . 45 ( m , 2 H ) . 키 랄 SFC A ( 40 % MeOH ) : ee 100 %, Rt = 4 . 37 분 .