1: 1.) thionyl chloride, water / 1.) reflux, 4 d; other reagents: SOCl2/H2O/HCl, SOCl2/H2O/H2SO4, SOCl2/H2O/H2SO3, 2.) toluene 2: hydrazine hydrate / methanol / 2 h View Scheme
参考文献
Gudmundsson, Kristjan S.; Hinkley, Jack M.; Brieger, Michael S.; Drach, John C.; Townsend, Leroy B.
Synthetic Communications, 1997 , vol. 27, # 5 p. 861 - 870