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Silicon-directed aldol condensation. Evidence for a pseudorotational mechanism

โœ Scribed by Myers, Andrew G.; Widdowson, Katherine L.; Kukkola, Paivi J.


Book ID
115472747
Publisher
American Chemical Society
Year
1992
Tongue
English
Weight
867 KB
Volume
114
Category
Article
ISSN
0002-7863

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Silicon directed diastereo- and enantios
โœ BraJ B. Lohray; R. Zimbiniski ๐Ÿ“‚ Article ๐Ÿ“… 1990 ๐Ÿ› Elsevier Science ๐ŸŒ French โš– 236 KB

Silicon directed diastereo-and enantioselective conjugate addition of enolsilanes to a$unsaturated ketones are reported which undergo subsequent intramolecular oyclization on treatment with aqueous HBF4 to furnish aldol adducts. Depending on the substltuents, the aldol adducts undergo dehydration to