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Photoisomerization of 2,3-diphenylcyclopropane-1-carboxylic acid derivatives

Sivaguru, J.; Jockusch, Steffen; Turro, Nicholas J.; Ramamurthy, V.

Contrary to what is known about cis-1,2-diphenylcyclopropane and its derivatives, we find that they have triplet energies of ca. 311 kJ mol−1, do not undergo intersystem crossing upon direct excitation, undergo the less common adiabatic photoisomerization to the corresponding trans isomers, and show emission from excited 1,3-diradical intermediates.

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Title
Photochemical & Photobiological Sciences
DOI
https://doi.org/10.1039/b306337m

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Academic Units
Chemistry
Published Here
July 23, 2010