The triplet state of 1,8-naphthalimide has been studied by the laser flash photolysis technique. The triplet-triplet absorption spectrum and the decay kinetics of the triplet state have been investigated in benzene, acetonitrile and 2-propanol. It is shown that, unlike phthalimide, 1,8naphthalimide does not undergo photoinduced hydrogen abstraction reactions with protic solvents. Quantitative data on various triplet state parameters such as molar extinction coefficient of the triplet-triplet absorption, triplet yield and energy have been obtained. The behaviour of the compound towards some electron-rich substances have been studied and the rate constants have been evaluated.
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Samanta et al. (1996) studied this question.
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