期刊
TETRAHEDRON LETTERS
卷 52, 期 41, 页码 5259-5263出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.tetlet.2011.07.141
关键词
Trifluoromethylation; Boranes; Boronic esters; Diazocarbonyl compounds
资金
- Russian Foundation for Basic Research [11-03-00362]
- Ministry of Science [MD-1151.2011.3]
- Russian Academy of Sciences
- Federal program Scientific and Educational Personnel of Innovative Russia
Boranes substituted with a CF3-group can be generated from methyl boronic esters RB(OMe)(2) and Me3SiCF3/KF followed by treatment with Me3SiCl. These boranes are stable only in coordinating solvents, and due to the increased Lewis acidity of boron, react rapidly with alpha-diazocarbonyl compounds to give the products of transfer of the organic group from boron. Alkyl, aryl, vinyl, and alkynyl boronic esters can be used in this reaction. (C) 2011 Elsevier Ltd. All rights reserved,
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