Photochemical reaction of the mixture of 3-(p-toluenesulfonyl)-1, 2-dihydro-3H-pyrazino[3, 2, 1-kl]phenoxazine (I) and 4-benzenesulfonyl-1, 2, 3, 4-tetrahydro[1, 4]diazepino[3, 2, 1-kl]phenoxazine (VII) in benzene gave 1, 2-dihydro-3H-pyrazino[3, 2, 1-kl]phenoxazine (III), 1, 2, 3, 4-tetrahydro[1, 4]diazepino[3, 2, 1-kl]phenoxazine (IV), 6-(p-toluenesulfonyl)-1, 2-dihydro-3H-pyrazino[3, 2, 1-kl]phenoxazine (V), and 7-benzenesulfonyl-1, 2, 3, 4-tetrahydro-[1, 4]diazepino[3, 2, 1-kl]phenoxazine (XI), but 6-benzenesulfonyl-1, 2-dihydro-3H-pyrazino-[3, 2, 1-kl]phenoxazine (XIII) and 7-(p-toluenesulfonyl)-1, 2, 3, 4-tetrahydro[1, 4]diazepino-[3, 2, 1-kl]phenoxazine (VI), compounds formed by intermolecular rearrangement of the substituent, were not obtained. Therefore, it was concluded that the formation mechanism of V and XI progressed by the solvent cage reaction.
抄録全体を表示