New and Convenient Syntheses of Anhydro-2-alkyl-3-iminothiazolo-[3,2-a]pyridinium Hydroxide Derivatives
作者:Derek H.R Barton、Wansheng Liu*
DOI:10.1016/s0040-4039(97)00415-2
日期:1997.4
The 2-alkyl derivatives of anhydro-3-trifluoroacetyliminothiazolo[3,2-a]pyridinium hydroxide were synthesized in quantitative yield by treatment of either 2-(pyridine-2-thiyl)-carboxamides or the corresponding nitriles with trifluoroacetic anhydride in dichloromethane. © 1997 Elsevier Science Ltd.
通过用二氯甲烷中的三氟乙酸酐处理2-(吡啶-2-噻吩基)甲酰胺或相应的腈,以定量收率合成了脱水-3-三氟乙酰基亚氨基噻唑并[3,2- a ]吡啶鎓的2-烷基衍生物。©1997爱思唯尔科学有限公司。