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The asymmetric unit of the title compound, C(23)H(27)Cl(2)N(3)O, contains two crystallographically independent molecules in which the dihedral angles between the benzene rings are 70.1 (3) and 63.8 (3)degrees. In each molecule an intramolecular N-H center dot center dot center dot O hydrogen bond generates an S(7) ring. The atoms of the propyl grouping of one molecule are disordered over two orientations with occupancies of 0.666 (6) and 0.334 (6). The crystal structure is stabilized by N-H center dot center dot center dot O and C-H center dot center dot center dot O hydrogen-bonding interactions.