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ChemInform Abstract: A Short Enantioselective Formal Synthesis of Methyl (S)-(-)-6,8- Dihydroxyoctanoate: A Key Intermediate for the Synthesis of (R)-(+)-. alpha.-Lipoic Acid.

✍ Scribed by M. BEZBARUA; A. K. SAIKIA; N. C. BARUA; D. KALITA; A. C. GHOSH

Publisher: John Wiley and Sons
Year: 2010
Weight: 34 KB
Volume: 28
Category: Article
ISSN: 0931-7597
DOI: 10.1002/chin.199715077

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✦ Synopsis

1997 hydroxycarboxylic acids hydroxycarboxylic acids (ether carboxylic acids) (acyclic compounds) and esters P 0280 15 -077 A Short Enantioselective Formal Synthesis of Methyl (S)-(-)-6,8-Dihydroxyoctanoate: A Key Intermediate for the Synthesis of (R)-(+)-. alpha.-Lipoic Acid.

-The enantioselective synthesis of ester (VII), a known intermediate in the total synthesis of the title acid (VIII), uses a novel retro-Henry reaction of the ω-nitro α,β-unsaturated ketone (II) and the kinetic enzymatic resolution of the oxo ester (IV) as key steps. -(BEZBARUA, M.;

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