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Synthesis 2002(2): 0191-0194
DOI: 10.1055/s-2002-19796
DOI: 10.1055/s-2002-19796
PAPER
© Georg Thieme Verlag Stuttgart · New York
A New General Route to Acceptor-Substituted Vinyloxiranes via Siloxyoxiranes - Novel Promising Synthetic Building-Blocks
Further Information
Received
16 August 2001
Publication Date:
03 August 2004 (online)
Publication History
Publication Date:
03 August 2004 (online)
Abstract
Epoxidation of silyl enol ethers 2a,b with dimethyldioxirane yields siloxyoxiranes 3a,b. Anions 4a-d lead to nucleophilic ring-opening in the acetal position C-1 of 3 to give diols 5a-d. Monotosylation and cyclisation provide acceptor-substituted vinyloxiranes 6a-d.
Key words
dimethyldioxirane - silyl enol ethers - siloxyoxiranes - vinyloxiranes - epoxide ring opening
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