potassium tert-butylate in N,N-dimethyl-formamide; pentane T=-78 - -60°C; 4 h; Yields of byproduct given. Title compound not separated from byproducts;
参考文献
Nishinaga, Akira; Nakamura, Koichi; Matsuura, Teruo
Journal of Organic Chemistry, 1983 , vol. 48, # 21 p. 3696 - 3700