反应条件
toluene-4-sulfonic acid in water; acetic acid
1.) reflux, 2 h, 2.) room temperature, 2 h;
参考文献
Brittain, Judith M.; Jones, R. Alan; Jones, Richard O.; King, Trevor J.
Journal of the Chemical Society, Perkin Transactions 1: Organic and Bio-Organic Chemistry (1972-1999), 1981 , p. 2656 - 2661
