反应条件
trifluoroacetic anhydride in tetrahydrofuran; pyridine
1.) below 5 deg C, 2 h, 2.) r.t., 3 h;
参考文献
Kumar, Anil; Tilak, B. D.
Indian Journal of Chemistry, Section B: Organic Chemistry Including Medicinal Chemistry, 1987 , vol. 26, # 1-12 p. 599 - 601
