Tetrahedron p. 5199 - 5204 (1988)
Update date:2022-08-03
Topics:
Todres, Z. V.
Hovsepyan, G. TS.
Ionina, YE. A.
o-Dinitrobenzene dianion reacts with p-N,N-dimethylaminobenzenediazonium cation, forming 2-nitro-4'-N,N-dimethylaminoazobenzene. o-Dinitrobenzene anion-radical, interacting with benzenediazonium cations that contain N,N'-dimethylamino or nitro group in para-position, yields 3-nitro-4-hydroxy-4'-N,N-dimethylaminoazobenzene and 3,4'-dinitro-4-hydroxyazobenzene, respectively.The above compounds are formed in media promoting the stability of ion pairs between o-dinitrobenzene dianions or anions-radicals and potassium cations.With the dissociation of ion pairs, only the electron-transfer reaction products are observed.
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Doi:10.1246/cl.1988.371
(1988)Doi:10.1021/acs.orglett.6b01222
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