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Intramolecular cycloadditions with azomethine ylides for the synthesis of metacyclophanes

✍ Scribed by W. Eberbach; H. Fritz; I. Heinze; P. von Laer; P. Link

Publisher: Elsevier Science
Year: 1986
Tongue: French
Weight: 248 KB
Volume: 27
Category: Article
ISSN: 0040-4039
DOI: 10.1016/s0040-4039(00)84895-9

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✦ Synopsis

On thermal treatment of the aziridines Sa-f intramolecular cycloaddition reactions of the intermedsteazomethine ylides 6 result in the formation of the metacyclophanes L-9. FoF 7a and 7b the conformational barriers are estimated to-be app';;;ximatzy 20 and 12 kcal/mol, respectively.

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