反应条件
toluene-4-sulfonic acid in chloroform
1.) reflux, 3 h, 2.) 48 h, 0 deg C;
参考文献
Meeuwissen, H. J.; Sirks, G.; Bickelhaupt, F.; Stam, C. H.; Spek, A. L.
Recueil: Journal of the Royal Netherlands Chemical Society, 1982 , vol. 101, # 12 p. 443 - 450
