Chemistry Letters p. 1901 - 1904 (1984)
Update date:2022-08-17
Topics:
Sano, Ryo
Inoue, Hiroyasu
Phthalazine undergoes the photoreduction and the photo-reductive dimerization simultaneously to give 1,2-dihydrophthalazine and its dimer (1H,1'H,2H,2'H-1,1'-biphthalazine), respectively, upon ultraviolet light irradiation in 2-propanol.It has been suggested that the photoreduction proceeds through the lowest excited singlet state and the photodimerization through the lowest triplet state.
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