Infrared Assignment and Formation Mechanism of Trans-Anti Thymine Dimer

G. I. Cárdenas J. Department of Chemistry, Faculty of Sciences, University of Chile, P.O. BOX 653, Santiago, CHILE

K. A. Figueroa Department of Chemistry, Faculty of Sciences, University of Chile, P.O. BOX 653, Santiago, CHILE

V. Vargas C. Department of Chemistry, Faculty of Sciences, University of Chile, P.O. BOX 653, Santiago, CHILE

J. S. Gómez-Jeria Department of Chemistry, Faculty of Sciences, University of Chile, P.O. BOX 653, Santiago, CHILE

M. M. Campos-vallette Department of Chemistry, Faculty of Sciences, University of Chile, P.O. BOX 653, Santiago, CHILE

Abstract

Thymine dimers were obtained under ultraviolet irradiation. The major product is a trans-anti dimer linked by a cyciobutane ring. The infrared assignments and the mechanism of formation of this dimer are discussed in terms of an approximate force field and INDO data, respectively.

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Infrared Assignment and Formation Mechanism of Trans-Anti Thymine Dimer

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Infrared Assignment and Formation Mechanism of Trans-Anti Thymine Dimer

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