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Diarylethylene photoisomerization and photocyclization mechanisms

M. F. Budyka

Federal Research Center of Problems of Chemical Physics and Medicinal Chemistry, Russian Academy of Sciences, Chernogolovka, Moscow region

Abstract: The mechanism of photoisomerization of diarylethenes is considered, including its multiplet, conformational and energetic aspects. The experimental data on the "one bond flip" and "hula-twist" photoisomerization mechanisms, the adiabatic and diabatic reaction channels and also on one-photon photocyclization of diarylethylene trans-isomers are surveyed. The results of quantum chemical calculations of the potential energy surface along the reaction coordinates of diarylethylene isomerization and cyclization are analyzed. The bibliography includes 179 references.

Received: 27.09.2011

DOI: 10.1070/RC2012v081n06ABEH004274

 English version: Russian Chemical Reviews, 2012, 81:6, 477–493

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