toluene-4-sulfonic acid in chloroform
T=60 - 70°C; P=760.051 Torr; Reflux;
参考文献
Barros, Alessandro O.; Faisca, Aline T.; Lachter, Elizabeth R.; Nascimento, Regina S. V.; Gil, Rosane A. S. San
Journal of the Brazilian Chemical Society, 2011 , vol. 22, # 2 p. 359 - 363