
Bulletin of the Chemical Society of Japan p. 2829 - 2831 (1985)
Update date:2022-08-18
Topics:
Matsui, Masaki
Konda, Akihiro
Shibata, Katsuyoshi
In chlorinated solvents, 3-methyl-1-phenyl-4-phenylazo-5-pyrazolone (1) easily reacts with ozone to give benzene (2), phenol (3), chlorobenzene (4), o-chlorophenol (5), biphenyl (6), and 3-methyl-1-phenyl-2-pyrazoline-4,5-dione (7).The formation of these products is explained by an electrophilic ozone attack on the hydrazone tautomer 1'.
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