Find in Library

The asymmetric unit of the title compound, C17H18N2O4, contains two independent molecules (A and B) differing principally in the conformations of the alkyl chains, anti for molecule A and gauche for molecule B. The dihedral angles between the aromatic rings are 82.51 (6) and 82.25 (6)° in the two molecules. In the crystal, amide–amide interactions (as N—H...O=C) results in distinct chains of A and B molecules running parallel to the a-axis direction. C—H...O interactions also occur.