Synthesis of 5-substituted-3-phenacyloxime-1,2,4-oxadiazoles from acetylated or benzoylated benzoylthiacetamide with hydroxylamine hydrochloride
作者:G. Ronsisvalle、F. Guerrera、M.A. Siracusa
DOI:10.1016/s0040-4020(01)92460-3
日期:1981.1
Acetylated and benzoylated benzoylthiacetamide 1a,b reacts with hydroxylamine hydrochloride in refluxing ethanol to yield 3 - acetylamino - and 3 - benzoylamino - 5 - phenyl - isoxazoles 2a,b, while 3 -phenacyloxime - 5 - substituted - 1, 4a,b are formed in the presence of sodium acetate or in pyridine.
乙酰化和苯甲酰化benzoylthiacetamide 1A,b在回流的乙醇中与盐酸羟胺反应,产生3 -乙酰氨基-和3 -苯甲酰基氨基- 5 -苯基-异恶唑图2a,b,而3 -phenacyloxime - 1, - 5 -取代的图4a,b中形成在乙酸钠存在下或在吡啶中。