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Bulletin of the Korean Chemical Society (BKCS)

ISSN 0253-2964(Print)
ISSN 1229-5949(Online)
Volume 8, Number 4
BKCSDE 8(4)
April 20, 1987

Title	Theoretical Studies on the Photocycloaddition Reaction of Psoralen with Thymidine
Author	Ja Hong Kim*, Se Woung Oh, Yoon Sup Lee, Sang Chul Shim
Keywords
Abstract	The theoretical studies on the photocycloaddition reaction of 5,7-dimethoxycoumarin and 4',5'-dihydropsoralen with thymidine were carried out as a model for photosensitizing reaction of psoralen with DNA. The results are in reasonable agreement with experimental observations. The photoadducts between dimethoxycoumarin and thymidine were predicted to be C4-cycloadducts through the cycloaddition of 3,4-pyrone double bond of dimethoxycoumarin to 5,6 double bond of thymidine. The major photoadduct of 4',5'-dihydropsoralen with thymidine has the anti head-to-head stereochemistry.
Page	298 - 301
Full Text	PDF

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