n-butyllithium; N,N,N',N,-tetramethylethylenediamine in diethyl ether; hexane
1.) -70 deg C, 1 h, room temperature, 15 min, 2.) -70 deg C, 3 h; Yield given. Yields of byproduct given. Title compound not separated from byproducts;
参考文献
Iddon, Brian; Lim, Bee Lan
Journal of the Chemical Society, Perkin Transactions 1: Organic and Bio-Organic Chemistry (1972-1999), 1983 , # 2 p. 271 - 277