SCl2; triethylamine in diethyl ether
-78 degC then allowed to warm to room temperature then reflux for 30 min;
参考文献
Daley, Stephen T. A. K.; Rees, Charles W.
Journal of the Chemical Society, Perkin Transactions 1: Organic and Bio-Organic Chemistry (1972-1999), 1987 , p. 207 - 210