反应条件
N,N,N',N',N'',N''-hexamethylphosphoric triamide; n-butyllithium; diisopropylamine
1) THF-hexane, 0 deg C, 30 min then 15 min and -78 deg C, 30 min; 2) -78 deg C, 5 min then 25 deg C, 1 hr; Yield given. Multistep reaction;
参考文献
Kaiser, Edwin M.
Tetrahedron, 1983 , vol. 39, # 12 p. 2055 - 2064