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An unusual bond migration during O-acylation of tetramic acids

✍ Scribed by Raymond C.F. Jones; Graeme E. Peterson

Publisher: Elsevier Science
Year: 1983
Tongue: French
Weight: 130 KB
Volume: 24
Category: Article
ISSN: 0040-4039
DOI: 10.1016/s0040-4039(00)86249-8

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✦ Synopsis

The quaternary ammonium enolates of 5-substituted pyrrolidine-2,4-diones undergo isomerisation to the exocyclic A5r6-isomers during g-acylation.

The group of 3-acyl tetramic acids of general structure (1) are microbial

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