期刊
SYNTHETIC COMMUNICATIONS
卷 49, 期 19, 页码 2512-2520出版社
TAYLOR & FRANCIS INC
DOI: 10.1080/00397911.2019.1631348
关键词
alpha-Bromination; alpha-bromoacetalization; tribromide resin; polymeric brominating agent
资金
- Natural Science Foundation of Anhui Province and Education Department of Anhui Province - Provincial Foundation for Excellent Young Talents of Colleges and Universities of Anhui Province [1808085MB28, gxyq2018081]
The applications of a new supported tribromide reagent based on poly(vinylbenzyltrimethylammonium hydroxide) resin (Amberlite 717) were reported. This supported tribromide resin was used directly in alpha-bromination and alpha-bromoacetalization of acetophenones without any other catalyst under mild conditions. The effects of solvents and the amount of the supported tribromide resin on the reactions were investigated. Under the optimal conditions, most of alpha-bromo and alpha-bromoacetal of acetophenones were selectively obtained in excellent yields. [GRAPHICS] .
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