Non-mutagenic organic pigment intermediates. II. Isomorphous 2,2'-dichloro-5,5'-dipropoxybenzidine and 2,2'-dimethyl-5,5'-dipropoxybenzidine.
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Biomedical subjects
Ahmed El-Shafei
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Non-mutagenic organic pigment intermediates. I. 3,3'-dipropoxybenzidine.
Crystals of the title compound, C(18)H(24)N(2)O(2), were grown from ethanol by slow evaporation and the structure has been determined. The molecule resides on a crystallographic inversion center and the biphenyl moiety is essentially planar. The structure forms an infinite two-dimensional array of N-H.pi(arene) interactions parallel to the (101) direction.
Benzidines↗