反应详情

The title compound (0.34 g) was prepared from 3.0 g of 4-oxo-piperidine-1-carboxylic acid ethyl ester, 1.91 mL of benzylamine, and 1.2 g of 1-chloro-3-(2-nitro-vinyl)-benzene as in Example 38. TLC (SiO2, 2% NH3 in MeOH/EtOAc): Rf=0.25. MS (ESI): exact mass calculated for C21H21ClN2, 336.14. found, m/z 337.2 [M+H]+, 339.2 [M+H]+. 1H NMR (500 MHz, CD3OD): 7.36-7.32 (m, 4H), 7.30-7.25 (m, 2H), 7.21-7.16 (m, 4H), 5.15 (s, 2H), 4.41 (s, 2H), 3.53 (t, J=6.3 Hz, 2H), 2.98 (s, 3H), 2.91 (t, J=6.3 Hz, 2H), 2.82-2.70 (m, 4H).