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4-[(4-Bromo-phenyl)amino]-2-methyl-idene-4-oxo-butanoic acid.


ABSTRACT: In the title compound, C11H10BrNO3, two independent mol-ecules (A and B) crystallize in the asymmetric unit. The dihedral angles between the mean planes of the 4-bromo-phenyl ring and amide group are 24.8?(7) in mol-ecule A and 77.1?(6)° in mol-ecule B. The mean plane of the methyl-idene group is further inclined by 75.6?(4) in mol-ecule A and 72.5?(6)° in mol-ecule B from that of the amide group. In the crystal, N-H?O hydrogen bonds formed by amide groups and O-H?O hydrogen bonds formed by carb-oxy-lic acid groups are observed and supported additionally by weak C-H?O inter-actions between the methyl-idene and amide groups. Together, these link the mol-ecules into chains of dimers along [110] and form R 2 (2)(8) graph-set motifs.

SUBMITTER: Narayana B 

PROVIDER: S-EPMC4120590 | BioStudies | 2014-01-01T00:00:00Z

REPOSITORIES: biostudies

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