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Enantioselective aldol reaction of chiral acyl thiazolidine thione derived boron enolates

โœ Scribed by Hsiao Chi-Nung; Stephen P. Ashburn; Marvin J. Miller

Book ID
104226871
Publisher
Elsevier Science
Year
1985
Tongue
French
Weight
221 KB
Volume
26
Category
Article
ISSN
0040-4039

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๐Ÿ“œ SIMILAR VOLUMES

Enantioselective aldol condensations: Th
Enantioselective aldol condensations: The use of ketone boron enolates with chiral ligands attached to boron.
โœ Ian Paterson; M.Anne Lister; Cynthia K McClure ๐Ÿ“‚ Article ๐Ÿ“… 1986 ๐Ÿ› Elsevier Science ๐ŸŒ French โš– 309 KB

Aldol condensation between diethylketone and simple aldehydes using (lpc)2BOTfliPr2NEt in CH,CI, gives syn-adducts in good ee (66-90%) and with high diastereoselectivity (290%). Other chiral dialkylboron triflate reagents examined give lower ees. The aldol condensation reaction of boron enolates, l