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Synlett 2002(5): 0767-0768
DOI: 10.1055/s-2002-25371
DOI: 10.1055/s-2002-25371
LETTER
© Georg Thieme Verlag Stuttgart · New York
Synthesis of Functionalized Allylsilicone Compounds via Rhodium-Catalyzed Conjugate Addition of (E)- or (Z)-[3-Trimethylsilyl-1-propenyl]boronic Acids to Enones
Further Information
Received
19 February 2002
Publication Date:
07 February 2007 (online)
Publication History
Publication Date:
07 February 2007 (online)
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Abstract
The rhodium-catalyzed conjugate addition of (E)-Me3SiCH2CH=CHB(iPrO)2 or (Z)-Me3SiCH2(C4H9)C=CHB(iPrO)2 to enones provided a novel method for the synthesis of allylsilicone compounds possessing a carbonyl group in the same molecule, which are versatile intermediates for intramolecular allylsilylation, giving cyclobutanols on treatment with Bu4NF.
Key words
allylsilicone - alkenylboronic acid - rhodium catalyst - conjugate addition - cyclobutanol
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