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Claisen rearrangement of γ-hydroxyvinyl sulfones via ketene acetal derivatives. A new entry to functionalized (2E,4E)-alkadienoic esters

✍ Scribed by Riccardo Giovannini; Enrico Marcantoni; Marino Petrini

Publisher: Elsevier Science
Year: 1998
Tongue: French
Weight: 222 KB
Volume: 39
Category: Article
ISSN: 0040-4039
DOI: 10.1016/s0040-4039(98)01151-4

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✦ Synopsis

In situ prepared ketene acetals of 7-hydroxyvinyl sulfones undergo a Claisen rearrangement affording 3-phenylsulfonyl esters.These compounds are converted to (2E,4E)-dienoic esters by a base-assisted elimination of benzenesulfinic acid.

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ChemInform Abstract: Claisen Rearrangeme

ChemInform Abstract: Claisen Rearrangement of γ-Hydroxyvinyl Sulfones via Ketene Acetal Derivatives. A New Entry to Functionalized (2E,4E)-Alkadienoic Esters.

✍ R. GIOVANNINI; E. MARCANTONI; M. PETRINI 📂 Article 📅 2010 🏛 John Wiley and Sons ⚖ 35 KB

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