Photochemical cycloisomerizations via 7-exo-dig reactions on a calix[4]arene scaffold.

Al-Saraierh, Hassan; Miller, David O; Georghiou, Paris E

Al-Saraierh, Hassan; Miller, David O; Georghiou, Paris E.

Afiliación

Al-Saraierh H; Department of Chemistry, Memorial University of Newfoundland, St. John's, Newfoundland and Labrador, Canada.

J Org Chem ; 72(12): 4532-5, 2007 Jun 08.

Article en En | MEDLINE | ID: mdl-17488125

RESUMEN

Narrow-rim 1,3-bis(phenylethynyl)-p-tert-butylcalix[4]arenes were found to be photolabile, producing unprecedented seven-membered oxacyclic systems formed via 7-exo-dig cyclizations and a new [3.2.1]bicyclic system via subsequent 1,8-H shifts. The calixarene provided a scaffold for these unprecedented photochemical reactions to occur.

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Colección: 01-internacional Base de datos: MEDLINE Idioma: En Revista: J Org Chem Año: 2007 Tipo del documento: Article País de afiliación: Canadá Pais de publicación: Estados Unidos

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