Journal of Organic Chemistry p. 5768 - 5774 (1989)
Update date:2022-08-05
Topics:
Wei, Z. Y.
Wang, D.
Li, J. S.
Allylalkoxysilanes 1 condense with aldehydes under Lewis acid conditions to give cis-2,4,6-trisubstituted tetrahydropyrans 3 or the homoallylic alcohols 2.Factors affecting the reaction have been examined.The enantioselective synthesis of 2 using optically active 1 has also been studied.The reaction is applied to the enantioselective synthesis of (6'-methyl-2'-tetrahydropyranyl)acetic acid (11), a natural compound that has been isolated from the glandular secretion of the civet cat.
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