화합물 44 - E 2 LC / MS A : 95 % 순도 , UV = 214 nm , Rt = 1 . 386 분 , ESI 374 ( M + H ) +. 1 H NMR ( 500 MHz , MeOD ) δ 7 . 16 ( d , J = 7 . 3 Hz , 1 H ) , 6 . 39 ( d , J = 7 . 3 Hz , 1 H ) , 3 . 97 - 3 . 86 ( m , 1 H ) , 3 . 56 - 3 . 37 ( m , 5 H ) , 3 . 14 - 3 . 04 ( m , 2 H ) , 2 . 71 ( t , J = 6 . 2 Hz , 2 H ) , 2 . 56 ( t , J = 7 . 6 Hz , 2 H ) , 2 . 23 ( t , J = 7 . 5 Hz , 2 H ) , 2 . 23 - 2 . 08 ( m , 2 H ) , 1 . 98 ? 1 . 78 ( m , 6 H ) , 1 . 51 ( d , J = 7 . 0 Hz , 3 H ) . 키 랄 SFC A ( 45 % MeOH ) : ee 100 %, Rt = 8 . 73 분 .