화합물 45 - E 1 LC / MS A : 99 % 순도 , UV = 214 nm , Rt = 1 . 44 분 , ESI 409 . 4 ( M + H ) + . 1 H NMR ( 400 MHz , MeOD ) δ 7 . 41 ? 7 . 24 ( m , 5 H ) , 7 . 07 ( d , J = 7 . 3 Hz , 1 H ) , 6 . 28 ( d , J = 7 . 2 Hz , 1 H ) , 4 . 48 ( s , 1 H ) , 4 . 46 ? 4 . 40 ( m , 1 H ) , 4 . 23 ( t , J = 8 . 8 Hz , 1 H ) , 3 . 72 - 3 . 70 ( m , 3 H ) , 3 . 28 - 3 . 26 ( m , 2 H ) , 2 . 59 ( t , J = 6 . 2 Hz , 2 H ) , 2 . 45 ( t , J = 7 . 2 Hz , 2 H ) , 2 . 14 ? 2 . 10 ( m , 2 H ) , 1 . 90 ? 1 . 65 ( m , 4 H ) . 키 랄 SFC A ( 45 % MeOH ) : ee 100 %, Rt = 1 . 65 분