2010•International Journal of Chemical SciencesRequires access

pH Dependent Photooxygenation of Guanine by Singlet Oxygen in presence of Rose Bengal

Shubha Jain, Archana Kushwah, Pradeep Kumar Paliwal, G. Neelaiah Babu

Abstract

Photooxygenation of guanine has been studied in presence of rose bengal. The effect of variation of pH has been studied on the product yield and time of the reaction. The reaction has been monitored by TLC at different time intervals. Backstrom type II mechanism has been proposed for these reactions.

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Key concepts: Photooxygenation, Rose bengal, Singlet oxygen, Guanine, Chemistry, Photochemistry, Yield (engineering), Singlet state