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4-[(Anthracen-9-yl-methyl-idene)amino]-1,5-dimethyl-2-phenyl-1H-pyrazol-3(2H)-one. 2011

Abdullah M Asiri, and Salman A Khan, and M Nawaz Tahir

In the title compound, C(26)H(21)N(3)O, the phenyl ring of the 4-amino-anti-pyrine group and the heterocyclic five-membered ring along with its substituents, except for the N-bound methyl group (r.m.s. deviation = 0.0027 Å), form a dihedral angle of 54.20 (5)°. Two S(6) ring motifs are formed due to intra-molecular C-H⋯N and C-H⋯O hydrogen bonds. In the crystal, mol-ecules are linked into supra-molecular chains along the a-axis direction via C-H⋯O contacts.

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