sodium hydride in N,N-dimethyl-formamide 1.5 h; Ambient temperature;
参考文献
Adger, Brian M.; Bannister, Robin; Lewis, Norman J.; O'Farrell, Clare
Journal of the Chemical Society, Perkin Transactions 1: Organic and Bio-Organic Chemistry (1972-1999), 1988 , p. 2785 - 2790