反应条件
1: 65 percent / triphenylphosphine, diethyl diazenedicarboxylate / tetrahydrofuran / 48 h / Ambient temperature 2: 1.) hydrazine hydrate, 2.) conc. HCl / 1.) MeOH, overnight, room temp.; 2 h, reflux, 2.) 6 h, reflux View Scheme
参考文献
Baraldi, P. G.; Guarneri, M.; Moroder, F.; Pollini, G. P.; Simoni, D.
Synthesis, 1982 , # 8 p. 653 - 655