反应条件
pyridinium p-toluenesulfonate; lithium 1) reflux, benzene; 2) THF, -78 deg C, 1 h; 3) THF, -78 deg C, 30 min; Yield given. Multistep reaction. Yields of byproduct given. Title compound not separated from byproducts;
参考文献
Journal of Organic Chemistry, , vol. 62, # 12 p. 4116 - 4120