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Intermolecular [8+2] cycloaddition reactions of 2H-3-methoxycarbonylcyclohepta[b]furan-2-one with vinyl ethers: an approach to bicyclo[5.3.0]azulene derivatives

✍ Scribed by Wellington Pham; Ralph Weissleder; Ching-Hsuan Tung

Publisher: Elsevier Science
Year: 2002
Tongue: French
Weight: 99 KB
Volume: 43
Category: Article
ISSN: 0040-4039
DOI: 10.1016/s0040-4039(01)02061-5

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✦ Synopsis

Substituted bicyclo[5.3.0]azulene compounds are synthesized by intermolecular [8+2] cycloaddition reactions of lactone 1 with vinyl ethers-acetal decomposition products-are described. The reactions were found to be temperature and solvent dependent.

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