1: 93 percent / piperidine, benzoic acid / cyclohexane / 20 h / Heating 2: 92 percent / NaBH4 / ethanol / 0 °C 3: 91 percent / 87.5percent KOH / ethanol / 48 h / Ambient temperature View Scheme
参考文献
Keenan, Richard M.; Weinstock, Joseph; Finkelstein, Joseph A.; Franz, Robert G.; Gaitanopoulos, Dimitri E.; et al.
Journal of Medicinal Chemistry, 1993 , vol. 36, # 13 p. 1880 - 1892