A new [2 + 2] photodimerization of 5-chloro- and 5-methyl-2-pyridone in their inclusion complexes with 1,1′-biphenyl-2,2′-dicarboxylic acid as a model for DNA damage by photodimerization of its thymine component,10.1039/B414134B

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A new [2 + 2] photodimerization of 5-chloro- and 5-methyl-2-pyridone in their inclusion complexes with 1,1′-biphenyl-2,2′-dicarboxylic acid as a model for DNA damage by photodimerization of its thymine component

Shinya Hirano,Shinji Toyota,Fumio Toda

Chemical Communications Pub Date : 12/13/2004 00:00:00 , DOI:10.1039/B414134B

Abstract

As a model for DNA damage by photodimerization of its thymine component, a new [2 + 2] photodimerization of 5-chloro and 5-methyl-2-pyridone to the corresponding cis-anti-dimers as their inclusion complexes with 1,1′-biphenyl-2,2′-dicarboxylic acid was found, and the mechanism of this stereoselective solid state reaction was studied by X-ray analysis.