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

Shubha Jain, Archana Kushwah, Pradeep K. Paliwal and G. Neelaiah Babu

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.