反应条件
1: 1.) KOEt, 2.) cuprous oxide / 1.) ethanol; 2.) N,N-dimethylformamide, 110-120 deg C, 2 h 2: 1.) ammonium chloride, Zn / 1.) 60percent aqueous 1,2-dimethoxyethane, 30 min, 30-40 deg C; 2.) free access of air, 7 h, room temperature View Scheme
参考文献
Bird, C. W.; Latif, M.
Tetrahedron, 1980 , vol. 36, # 4 p. 529 - 534