反应详情

The title compound was prepared from the intermediate obtained in Step A and benzyl triphenylphosphonium bromide/sodium amide according to the procedures described in Example 1, Steps F-G. The product was obtained as a 6:4 mixture of trans:cis isomers. 1H NMR (300 MHz, CDCl3): δ 7.19 (m, 8 H), 6.96 (m, 1 H), 6.32 (d, J=11 Hz, 0.4 H), 6.09 (dt, J=5.5, 16 Hz, 0.6 H), 5.96 (d, J=16 Hz, 0.6 H), 5.45 (dt, J=7, 11 Hz, 0.4 H), 4.37 (d, J=5 Hz, 1.25 H), 4.33 (d, J=5.5 Hz, 0.75 H), 3.41 (m, 1.6 H), 3.25 (m, 2 H), 3.08 (m, 0.4 H), 1.35 (m, 5 H), 1.30 (d, J=6.6 Hz, 5 H), 1.21 (m, 3 H). FAB-MS: calcd for (C27H30FNO) 403, found 404 (M+H). Anal. Calcd for C27H30FNO: C, 80.36; H, 7.49; N, 3.47. Found: C, 80.15; H, 7.44; N, 3.26. mp 72-73° C. Rf=0.3 (20% ethyl acetate/hexane).

1. customThe product was obtained as a 6:4 mixture of trans