条件:With pyridine; phosphorus pentachloride In methanol; dichloromethane at -30 - 5℃; for 4 h;
收率:91%
参考文献:[1] Patent: CN105585580, 2016, A. Location in patent: Paragraph 0019; 0044; 0045 [2] Journal of the Iranian Chemical Society, 2016, vol. 13, # 6, p. 1019 - 1025