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A general and versatile synthesis of 3-phenylthio β-lactams as lead molecules for 3-methyl-2-azetidinones

✍ Scribed by Seema Kanwar; S. D. Sharma

Publisher
Journal of Heterocyclic Chemistry
Year
2007
Tongue
English
Weight
466 KB
Volume
44
Category
Article
ISSN
0022-152X

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✦ Synopsis

Abstract

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Ketene‐imine cycloaddition using phosphorus oxychloride and benzenesulfonyl chloride under the described reaction conditions yielded trans 3‐phenylthio 2‐azetidinones in good yields. Desulfurization using Raney nickel and alkylation finally afforded trans 3‐methyl‐2‐azetidinones in a stereoselective manner.

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