Dimethyl 4-(3-hydroxy-phen-yl)-2,6-dimethyl-1,4-dihydro-pyridine-3,5-dicarboxyl-ate

Abstract

The 1,4-dihydro-pyridine ring in the title compound, C(17)H(19)NO(5), has a flattened-boat conformation, and the benzene ring is almost orthogonal to it [dihedral angle = 82.98 (12)°]. The hydr-oxy group is disordered over two positions in a 0.780 (4):0.220 (4) ratio. In the crystal, hydrogen-bonding inter-actions of the type N(a)-H⋯O(c) and O(h)-H⋯O(c) (a = amine, c = carbonyl and h = hydr-oxy) link the mol-ecules into a three-dimensional network.

Fig. 1.

The molecular structure of (I) showing displacement ellipsoids at the 35% probability level. For reasons of clarity, only the major component of the disorder is shown.

Fig. 2.

A view of the unit cell content of (I) shown in projection down the b axis. The N–H···O hydrogen bonds (blue dashed lines) link molecules into supramolecular chains along the c axis. These are connected into the three-dimensional network by O–H···O hydrogen bonds (orange dashed lines), largely obscured in the figure. Colour code: O, red; N, blue; C, grey; and H, green.