Bulletin of the Chemical Society of Japan
Online ISSN : 1348-0634
Print ISSN : 0009-2673
ISSN-L : 0009-2673
The Primary Process of the Photochemical Dimerization of Carbostyril (2-Quinolone) in an Aqueous Solution
Tetsu YamamuroNorisuke HataIkuzo Tanaka
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1973 Volume 46 Issue 1 Pages 29-34


Carbostyril dimerizes photochemically in an aqueous solution, in order to investigate the effect of a hydroxide ion on the primary process of the photochemical dimerization in an aqueous solution, both measurements of the quantum yields and flash spectroscopic experiments were carried out under various conditions. The experiments revealed that the photodimerization reaction proceeded through a bimolecular interaction between the triplet and the unexcited carbostyril molecules, although the triplet carbostyrilate ion was in equilibrium with the triplet carbostyril. The triplet carbostyrilate ion was proved not to be involved in the dimerization process.

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