反应条件
vanadium(III) chloride
1.) dichloromethane, -78 grad C, 20 min, 2.) dichloromethane, -78 grad C, 1.5 h, room temp., 16 h; Yield given. Multistep reaction. Yields of byproduct given;
参考文献
Hirao, Toshikazu; Misu, Daisuke; Yao, Koichi; Agawa, Toshio
Tetrahedron Letters, 1986 , vol. 27, # 8 p. 929 - 932