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First Stereoselective Total Synthesis of Gallicynoic Acids G and H

✍ Scribed by Palakodety Radha Krishna; Kadimi Anitha

Publisher: John Wiley and Sons
Year: 2011
Tongue: German
Weight: 170 KB
Volume: 94
Category: Article
ISSN: 0018-019X
DOI: 10.1002/hlca.201000371

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✦ Synopsis

Abstract

A stereoselective convergent total synthesis of two acetylenic acids, gallicynoic acid G (1) and H (2), is reported, involving asymmetric reduction of alkynones 3 and 4, respectively, with the Corey BakshiSibata (CBS) catalyst as a key step (Scheme 3), 3 and 4 being obtained from a common intermediate, the chiral alkynol 12 (Scheme 2).

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