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A mechanistic approach to photochemical behavior of 4-anisyl-4-methyl-2,6-diphenyl-4H-thiopyran-1,1-dioxide

✍ Scribed by Ghasem Rezanejadebardajee; Farnaz Jafarpour; Hooshang Pirelahi

Book ID: 102345850
Publisher: Journal of Heterocyclic Chemistry
Year: 2006
Tongue: English
Weight: 81 KB
Volume: 43
Category: Article
ISSN: 0022-152X
DOI: 10.1002/jhet.5570430125

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✦ Synopsis

Abstract

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Photoisomerization of 4‐anisyl‐4‐methyl‐2,6‐diphenyl‐4__H__‐thiopyran‐1,1‐dioxide is described in the presence of a sensitizer and new mechanistic features are proposed. The relative molar ratios of the stereoselective photoproducts compared in the presence and the absence of sensitizer in different concentrations of the starting material using hplc. The results observed are discussed on the basis of a triplet excited state thiadi‐π‐methane rearrangement.

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