Intramolecular cycloadditions with azomethine ylides for the synthesis of metacyclophanes

Autor: P. von Laer, Hans Fritz, I. Heinze, P. Link, Wolfgang Eberbach
Rok vydání: 1986
Předmět:
Zdroj: Tetrahedron Letters. 27:4003-4006
ISSN: 0040-4039
Popis: On thermal treatment of the aziridines 5a - f intramolecular cycloaddition reactions of the intermediate azomethine ylides 6 result in the formation of the metacyclophanes 7 - 9 . For 7a and 7b the conformational barriers areestimated to be approximately 20 and 12 kcal/mol, respectively.
Databáze: OpenAIRE