Electronic structures and spectra of 6-mercaptopurine and 6-thioguanine

C. Santhosh, P. C. Mishra

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Abstract

Ultraviolet absorption, steady-state fluorescence and excitation spectra of 6-mercaptopurine (6MP) and 6-(thioguanine) (6TG) have been studied, and excited state life-time measurements on their fluorescence performed. The experimental results have been interpreted with the help of molecular orbital calculations. The study shows that these molecules predominantly exist in thione forms. The properties of the molecules have been compared with those of guanine and the possible significance of the results is discussed.

Original languageEnglish
Pages (from-to)985-993
Number of pages9
JournalSpectrochimica Acta Part A: Molecular Spectroscopy
Volume49
Issue number7
DOIs
Publication statusPublished - 01-01-1993

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All Science Journal Classification (ASJC) codes

  • Engineering(all)

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