期刊
EUROPEAN JOURNAL OF ORGANIC CHEMISTRY
卷 2010, 期 32, 页码 6233-6238出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/ejoc.201000456
关键词
Hydroamination; Heterogeneous catalysis; Ionic liquids; Nucleophilic substitution; Amidation
资金
- Indira Gandhi Centre for Atomic Research (IGCAR) Kalpakkam, India
The nucleophilic substitution reaction of secondary alcohols and hydroamination of alkenes with amides, sulfonamides, carbamates, and amines using Amberlyst-15 immobilized in [Bmim][BF4] (1-butyl-3-methylimidazolium tetrafluoroborate) ionic liquid as an efficient recyclable reagent is described. The solvent effect is prominent in the reaction, and the desired substitution products are obtained in good to excellent yield. The protocol is advantageous due to the ease of handling of the reagents, the simple work-up procedure, and the environmentally benign conditions that allow effective recyclability.
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