Bulletin of the Chemical Society of Japan p. 1055 - 1056 (1985)
Update date:2022-08-17
Topics:
Fujiu, Tomohisa
Izumi, Kazuo
Sekiguchi, Shizen
Azobenzene (2) reacted with dichlorocarbene at 40 deg C in the presence of several phase-transfer catalysts in a binary solvent (CHCl3-aqueous KOH), giving 2,2,3,3-tetrachloro-1-phenylaziridine (3), 1-phenyl-1,3-dihydro-2H-benzimidazol-2-one (4b), dichloroacetanilide (6), N,N'-diphenylurea (7), and trace amounts of 2-chloro-1-phenylbenzimidazole (8).
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(1974)Doi:10.1021/op7000996
(2007)
