02 (d, 1H a , J = 9, pp.35-42 ,
71 (dq, 1H b' , J 1 = 6.8 Hz and J 2 = 3.6 Hz), 5.39 (d, 1H a, pp.35-42 ,
Cq Ar ). anti 12 ,
8 (q, C g H, 3 J C-F = 3.6 Hz), pp.90-106 ,
CDCl 3 , 100 MHz) ?(ppm) syn 123 ,
9 Hz), 131.4 (t, Cq h , 2 J C-H = 7.4 Hz). anti 123.8 (C i' F 3 ), = 165.3 Hz and 2 J C-H = 6.1 Hz) ,