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Photochemical synthesis. 65. Thione photochemistry. 22. Intramolecular cyclization of aralkyl thiones from S2

A Couture, K Ho, M Hoshino, P De Mayo…

文献索引:Couture,A. et al. Journal of the American Chemical Society, 1976 , vol. 98, p. 6218 - 6225

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被引用次数: 16

摘要

Abstract: Excitation of a series of aralkyl thiones into the S2 (T, T*) state leads to a formal insertion into the 6 position and the formation of cyclopentyl thiols. Excitation into the Si (n, T*) state does not lead to the same products and reaction is very slow. The former reaction may be quenched with biacetyl, but not with up to 2 M piperylene, nor can it be induced with a variety of triplet sensitizers. These and other observations make it probable that Sz is the ...

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