sodium hydride in N,N-dimethyl-formamide 2.) room temperature, 20 h;
参考文献
Rico, Isabelle; Cantacuzene, Danielle; Wakselman, Claude
Journal of the Chemical Society, Perkin Transactions 1: Organic and Bio-Organic Chemistry (1972-1999), 1982 , p. 1063 - 1066