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Cooperative recognition of C60-ammonium substrates by a ditopic oligophenylenevinylene/crown ether host

Mourad Elhabiri1, Ali Trabolsi, François Cardinali

  • 1Laboratoire de Physico-Chimie Bioinorganique, Université Louis Pasteur et CNRS (UMR 7509), Ecole Européenne de Chimie, Polymères et Matériaux (ECPM), Strasbourg, France.

Chemistry (Weinheim an Der Bergstrasse, Germany)
|June 2, 2005
PubMed

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Selection Rules: Photochemical Activation
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Conjugated systems containing an even number of π-electron pairs undergo a conrotatory ring closure. For example, thermal electrocyclization of (2E,4E)-2,4-hexadiene, a conjugated diene containing two π-electron pairs, gives trans-3,4-dimethylcyclobutene.
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