pyridine; thionyl chloride in dichloromethane T=-15 - -5°C;
参考文献
Nicoletti, Teresa M.; Raston, Colin L.; Sargent, Melvyn V.
Journal of the Chemical Society, Perkin Transactions 1: Organic and Bio-Organic Chemistry (1972-1999), 1990 , # 1 p. 133 - 138