1 H NMR ( 400 MHz , CDCl 3 ) , 생성물 피크 단독 : δ 5 . 49 - 5 . 38 ( br s , 1 H ) , 4 . 55 - 4 . 42 ( m , 1 H ) , 4 . 08 ( AB 사 중선 , JAB = 14 . 8 Hz , Δν AB = 40 . 3 Hz , 2 H ) , 4 . 07 - 3 . 99 ( m , 1 H ) , 3 . 89 ( ddd , J = 12 . 0 , 11 . 5 , 3 . 0 Hz , 1 H ) , 2 . 75 - 2 . 63 ( m , 1 H ) , 1 . 96 - 1 . 81 ( m , 1 H ) , 1 . 44 ( s , 9 H ) .