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Divergent Diastereoselectivity in the Addition of Nucleophiles to Five-Membered-Ring Oxonium Ions

โœ Scribed by Shaw, Jared T.; Woerpel, K. A.

Book ID
126437547
Publisher
American Chemical Society
Year
1997
Tongue
English
Weight
145 KB
Volume
62
Category
Article
ISSN
0022-3263

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๐Ÿ“œ SIMILAR VOLUMES

Divergent diastereoselectivity in the ad
Divergent diastereoselectivity in the addition of nucleophiles to tetrahydrofuran-derived oxonium ions
โœ Jared T Shaw; K.A Woerpel ๐Ÿ“‚ Article ๐Ÿ“… 1999 ๐Ÿ› Elsevier Science ๐ŸŒ French โš– 676 KB

Alkyl substituted lactol acetates have been found to undergo highly stereoselective substitution reactions mediated by tin (IV) bromide. The highest selectivity is observed in the case of 4,4-di-isopropyl, 2-methyl substitution in which the selectivity depends on the nucleophile. Allyltrimethylsilan