Journal of the American Chemical Society p. 7760 - 7763 (1988)
Update date:2022-08-11
Topics:
Albini, A.
Fasani, E.
The photocycloreversion of the 9-cyanoanthracene (CA) 4 + 4 dimer and of the cycloadducts between CA and anthracene, CA and 2-methylnaphthalene, and anthracene and 2-cyanonaphthalene was investigated at room temperature.This process is essentially adiabatic for the two anthracene-naphthalene cycloadducts and > 90 percent diabatic for anthracene-anthracene cycloadducts.A rationalization is offered on the basis of the correlation diagrams for cycloaddition and is supported by quantum yield and fluorescence studies of both photocycloaddition and cycloreversion.A charge-transfer pathways becomes competitive in polar solvents in both reactions.
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Doi:10.1007/BF03183540
(1909)Doi:10.1039/f19888401741
(1988)Doi:10.1007/BF00957788
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(2007)Doi:10.1021/om501007q
(2014)Doi:10.1002/clc.4960241108
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