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Novel Catalytic Tandem Isomerisation/Cyclisation Reaction of α-Methallyloxy Carboxylic Acids

✍ Scribed by Xavier Chaminade; Lydie Coulombel; Sandra Olivero; Elisabet Dunach

Publisher: John Wiley and Sons
Year: 2006
Tongue: English
Weight: 89 KB
Volume: 2006
Category: Article
ISSN: 1434-193X
DOI: 10.1002/ejoc.200600300

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✦ Synopsis

Abstract

A new tandem isomerisation/cyclisation of α‐methallyloxy carboxylic acids leading to substituted 1,3‐dioxolan‐4‐ones in 60–70 % yields was catalysed by Cu(OTf)~2~ or Al(OTf)~3~. Extension to the synthesis of oxathiolanones and oxathianones is also described. (© Wiley‐VCH Verlag GmbH & Co. KGaA, 69451 Weinheim, Germany, 2006)

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