期刊
JOURNAL OF FLUORINE CHEMISTRY
卷 101, 期 2, 页码 193-198出版社
ELSEVIER SCIENCE SA
DOI: 10.1016/S0022-1139(99)00158-X
关键词
trifluoromethyltrimethylsilane; acylsilanes; difluoro compounds; fluorophenols; terpenes; C-glycosides
Trifluorotrimethylsilane reacts with acylsilanes to give the corresponding difluoroenoxysilanes via the Brook rearrangement of the alcoholate adducts. The difluoroenoxysilane reacts in situ with various types of electrophilic substrates, leading to gem-difluoro functionalized derivatives in a one-pot methodology. This paper describes reactions with Michael accepters, prenyl, benzyl and glycosyl donors leading to 2,2-difluoro-1,5-diketones, 4,4- or 6,6-difluorocyclohexenones, o- or p-fluorophenols, difluoro analogues of terpenes, and difluoro-C-glycosides. (C) 2000 Elsevier Science S.A. All rights reserved.
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