acetic anhydride; toluene-4-sulfonic acid in toluene
Heating;
参考文献
Cook, Stuart; Henderson, Douglas; Richardson, Kevan A.; Taylor, Richard J. K.; Saunders, John; Strange, Philip G.
Journal of the Chemical Society, Perkin Transactions 1: Organic and Bio-Organic Chemistry (1972-1999), 1987 , p. 1825 - 1832