triethylamine in dichloromethane 1.) -40 deg C, 2.) -40 deg C to room temperature;
参考文献
Chretien, Francoise; Chapleur, Yves; Castro, Bertrand; Gross, Bernard
Journal of the Chemical Society, Perkin Transactions 1: Organic and Bio-Organic Chemistry (1972-1999), 1980 , p. 381 - 384