화합물 56 - E 1 LC / MS A : 99 % 순도 , UV = 214 nm , Rt = 1 . 53 분 , ESI 435 . 4 ( M + H ) + . 1 H NMR ( 400 MHz , MeOD ) δ 7 . 55 ? 7 . 33 ( m , 5 H ) , 7 . 12 ( d , J = 7 . 3 Hz , 1 H ) , 6 . 32 ( d , J = 7 . 3 Hz , 1 H ) , 4 . 59 ( s , 1 H ) , 4 . 17 - 4 . 13 ( m , 1 H ) , 3 . 70 ( d , J = 8 . 1 Hz , 2 H ) , 3 . 53 . 57 - 3 . 39 ( m , 1 H ) , 3 . 44 ? 3 . 34 ( m , 2 H ) , 3 . 02 - 2 . 98 ( m , 1 H ) , 2 . 84 ( d , J = 11 . 3 Hz , 2 H ) , 2 . 74 ? 2 . 61 ( m , 4 H ) ) , 2 . 42 ( d , J = 6 . 8 Hz , 2 H ) , 2 . 03 ( t , J = 11 . 7 Hz , 2 H ) , 1 . 93 ? 1 . 80 ( m , 2 H ) , 1 . 67 - 1 . 61 ( m , 3 H ) , 1 . 32 - 1 . 26 ( m , 2 H ) . 키 랄 SFC A ( 45 % MeOH ) : ee 51 %, Rt = 2 . 89 분