Photochemical reactions of aromatic compounds. XIX. Photocycloaddition of olefins to 9-cyanophenanthrene. Singlet exciplex or triplet mechanism depending on …

K Mizuno, C Pac, H Sakurai

Index: Mizuno,K. et al. Journal of the American Chemical Society, 1974 , vol. 96, p. 2993 - 2994

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Citation Number: 61

Abstract

Photocycloaddition to various aromatic nitriles, occurring across aromatic rings, 2-5 usually proceeds via excited singlet nitriles, and the mechanisms are discussed in relation with exciplexe~.~~~ However, it has been reported that benzonitrile undergoes photocycloaddition to tetrasubstituted, very electron-rich ethylenes at the nitrile function in an excited singlet state, whereas that occurs to less electron-rich olefins across the benzene ...

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