反应条件
toluene-4-sulfonic acid 1) Et2O, reflux, 30 min, 2) toluene, reflux, 1 h; Yield given. Multistep reaction;
参考文献
Schmidt, Arthur H.; Kircher, Gunnar; Spring, Mathias; Hendriok, Markus W.; Kuenz, Christian
Advanced Synthesis and Catalysis, 1997 , vol. 339, # 6 p. 564 - 574
