Abstract
In the molecular structure of the title compound, C11H10ClNO3, the conformation of the N—H bond in the amide segment is syn to the ortho-methyl group in the phenyl ring. The C=O and O—H bonds of the acid group are in the relatively rare anti position with respect to each other. This is an obvious consequence of the hydrogen bond donated to the amide carbonyl group. The central oxobutenoic acid core C(=O)—C=C—C—OH is twisted by 31.65 (6)° out of the plane of the 4-chloro-2-methylphenyl ring. An intramolecular O—H⋯O hydrogen bond occurs. In the crystal, N—H⋯O hydrogen bonds link the molecules into infinite chains running along the a axis.
Highlights
In the molecular structure of the title compound, C11H10ClNO3, the conformation of the N—H bond in the amide segment is syn to the ortho-methyl group in the phenyl ring
H atoms treated by a mixture of independent and constrained refinement max = 0.19 e Å3
The C O and O—H bonds of the acid group are in the relatively rare anti position with respect to each other. This is an obvious consequence of the hydrogen bond donated to the amide carbonyl group
Summary
Refinement a Department of Chemistry, Mangalore University, Mangalagangotri 574 199, Mangalore, India, and bInstitute of Physical Chemistry and Chemical Physics, Slovak. H atoms treated by a mixture of independent and constrained refinement max = 0.19 e Å3. In the molecular structure of the title compound, C11H10ClNO3, the conformation of the N—H bond in the amide segment is syn to the ortho-methyl group in the phenyl ring. The C O and O—H bonds of the acid group are in the relatively rare anti position with respect to each other. This is an obvious consequence of the hydrogen bond donated to the amide carbonyl group. N—H O hydrogen bonds link the molecules into infinite chains running along the a axis
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