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NH2 NH2 _1 L Diorthodiaminodiphenyl, <>—<>,isobtained by the reduction of the corresponding nitro compound (obtained by theSee also: action of See also: ethyl nitrite at o C. on metadinitrobenzidine hydrochloride)
.
Its tetrazo compound on reduction gives a See also: hydrazine which, on warming with hydrochloric acid at 15o° C., decomposes into ammonium
N = N
chloride and, phenazone,<>—<_> (C12H2N2)
.
One of the most important derivatives of See also: diphenyl, from the theoretical point of view, is diphenic acid or diorthodiphenyl carboxylic acid, which can be obtained from diparadiaminodiphenyldiorthocarboxylic acid, H1N >j—.<I > NH2, or from phenanthrene (q.v.), the consti-
.
HOO COOH
tution of which it determines
.
See BENZInMNE for diparadiaminodiphenyl
.
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