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4'-Acetyl-3''-carbamoyl-[1,1':3',1''-terphen-yl]-2-carb-oxy-lic acid.

ABSTRACT: In the title m-terphenyl derivative, C22H17NO4, the dihedral angles between the aromatic rings of the benzoic acid-acetophenone, acetophenone-benzamide and benzoic acid-benzamide units are 45.39?(8), 48.02?(8) and 42.93?(8)°, respectively. The carbamoyl and carboxyl groups are disordered with a refined occupancy ratio of 0.558?(15):0.442?(15). In the crystal, mol-ecules are linked through O-H?O and N-H?O hydrogen bonds between terminal carboxyl and carbamoyl groups in a bidentate manner, and anti-parallel helices are formed which extend along the b-axis direction.

SUBMITTER: Ishikawa Y

PROVIDER: S-EPMC3790450 | biostudies-literature | 2013

REPOSITORIES: biostudies-literature

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4'-Acetyl-3''-carbamoyl-[1,1':3',1''-terphen-yl]-2-carb-oxy-lic acid.

Ishikawa Yoshinobu Y Yoshida Nanako N Suzuki Takafumi T

Acta crystallographica. Section E, Structure reports online 20130928 Pt 10

In the title m-terphenyl derivative, C22H17NO4, the dihedral angles between the aromatic rings of the benzoic acid-acetophenone, acetophenone-benzamide and benzoic acid-benzamide units are 45.39 (8), 48.02 (8) and 42.93 (8)°, respectively. The carbamoyl and carboxyl groups are disordered with a refined occupancy ratio of 0.558 (15):0.442 (15). In the crystal, mol-ecules are linked through O-H⋯O and N-H⋯O hydrogen bonds between terminal carboxyl and carbamoyl groups in a bidentate manner, and ant ...[more]

PMID: 24098269

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