期刊
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
卷 58, 期 43, 页码 15377-15380出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/anie.201909530
关键词
1; 3-azaborinine; bora-Nazarov reaction; boranes; heteroarenes; multi-component reactions
资金
- Alexander von Humboldt-Stiftung Funding Source: Medline
The twofold hydroboration products of (Fmes)BH2.SMe2 with a series of alkynes (2-butyne, arylethynes) react with two molar equiv of 2,6-dimethylphenyl isocyanide (CN-Xyl) at 80 degrees C to give rare examples of 1,3-azaborinine derivatives. A mechanistic study revealed a reaction course involving insertion of one isonitrile followed by a bora-Nazarov type ring-closure reaction and subsequent isonitrile insertion to give the respective 1,3-dihydro-1,3-azaborinines 5.
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