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2-(4-Chloro-phen-yl)acetamide.

ABSTRACT: In the title compound, C(8)H(8)ClNO, the acetamide group is twisted out the benzene plane with a dihedral angle of 83.08 (1)°. In the crystal, mol-ecules are linked by N-H⋯O hydrogen bonds, forming layers parallel to the ab plane.

SUBMITTER: Ma DS

PROVIDER: S-EPMC3238921 | biostudies-literature |

REPOSITORIES: biostudies-literature

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N-(3-Chloro-phen-yl)acetamide.

Project description:The conformation of the N-H bond in the structure of the title compound (3CPA), C(8)H(8)ClNO, is anti to the meta-chloro substituent, in contrast to the syn conformation observed for the ortho-chloro substituent in N-(2-chloro-phen-yl)acetamide, syn to both the ortho and meta chloro substituents in N-(2,3-dichloro-phen-yl)acetamide, and syn to the ortho chloro substituent in N-(2,4-dichloro-phen-yl)acetamide. There are two mol-ecules, linked by an N-H⋯O hydrogen bond, in the asymmetric unit of 3CPA. The bond parameters in 3CPA are similar to those of other acetanilides and the mol-ecules are packed into chains through inter-molecular N-H⋯O hydrogen bonds.

| S-EPMC2960357 | biostudies-literature

2-Chloro-N-(3-chloro-phen-yl)acetamide.

Project description:The N-H bond in the title compound, C(8)H(7)Cl(2)NO, is anti to the meta-chloro substituent in the aromatic ring in both independent mol-ecules comprising the asymmetric unit. The C=O bond is anti to the N-H bond and is also anti to the methyl-ene H atoms. Inter-molecular N-H⋯O hydrogen bonds link the mol-ecules into supra-molecular chains.

| S-EPMC2977650 | biostudies-literature

N-[(4-Chloro-phen-yl)sulfon-yl]acetamide.

Project description:The asymmetric unit of the title compound, C(8)H(8)ClNO(3)S, consists of two crystallographically independent mol-ecules (A and B). The dihedral angles between the benzene ring and amide C-C(=O)-NH- plane are 87.6 (3) (mol-ecule A) and 86.0 (3)° (mol-ecule B). In the crystal, the independent mol-ecules are alternately linked by N-H⋯O hydrogen bonds into an infinite chain along the b axis. Short inter-molecular Cl⋯Cl contacts [3.2882 (5) and 3.2812 (5) Å] are also observed.

| S-EPMC3435654 | biostudies-literature

N-(4-Bromo-phen-yl)-2-(4-chloro-phen-yl)acetamide.

Project description:The title compound, C(14)H(11)BrClNO, consists of chloro-benzene and bromo-benzene units which are linked at either end of the N-methyl-propionamide group. The chloro-benzene unit [maximum deviation = 0.005?(4)?Å] makes a dihedral angle of 68.21?(19)° with the bromo-benzene unit [maximum deviation = 0.012?(3)?Å]. In the crystal, N-H?O hydrogen bonds link the mol-ecules into chains along [010].

| S-EPMC3275261 | biostudies-literature

2-Chloro-N-[4-chloro-2-(2-chloro-benzo-yl)phen-yl]acetamide.

Project description:In the title compound, C(15)H(10)Cl(3)NO(2), an intra-molecular N-H?O hydrogen bond forms a six-membered ring and enforces an almost coplanar conformation for the acetamido group, the central benzene ring and the bridging carbonyl C-C(=O)-C group: the dihedral angles between the benzene ring and the acetamide and carbonyl C-C(=O)-C planes are 7.06?(11) and 7.17?(12)°, respectively. The dihedral angle between the two benzene rings is 67.43?(9)°. Because a strong hydrogen-bond donor is involved in the intra-molecular inter-action, the crystal packing is determined by weak C-H?O and C-H?Cl inter-actions.

| S-EPMC2979893 | biostudies-literature

2-(4-Chloro-phen-yl)-N-(3,4-di-fluoro-phen-yl)acetamide.

Project description:In the title compound, C14H10ClF2NO, the dihedral angle between the mean planes of the 4-chloro-phenyl and 3,4-di-fluoro-phenyl rings is 65.2 (1)°. These two planes are twisted by 83.5 (5) and 38.9 (9)°, respectively, from that of the acetamide group. In the crystal, N-H⋯O hydrogen bonds form infinite chains along [100]. Weak C-H⋯O and C-H⋯F inter-actions are also observed and stack mol-ecules along the b axis.

| S-EPMC3685127 | biostudies-literature

2-Bromo-N-(2-chloro-phen-yl)acetamide.

Project description:The conformation of the N-H bond in the structure of the title compound, C(8)H(7)BrClNO, is syn to the 2-chloro substituent in the aniline ring and anti to both the C=O and C-Br bonds in the side chain, similar to that observed in 2-chloro-N-(2-chloro-phen-yl)acetamide. In the crystal, mol-ecules are linked into chains along the a axis by N-H?O hydrogen bonds. These chains are in turn linked into pairs, in the form of columns, through much weaker C-H?Cl and Br?Br [4.3027?(3)?Å] inter-actions.

| S-EPMC2977351 | biostudies-literature

2-Chloro-N-(2,4-dimethyl-phen-yl)acetamide.

Project description:The conformation of the N-H bond in the structure of the title compound, C(10)H(12)ClNO, is syn to the ortho methyl group, similar to that observed with respect to the meta methyl group in 2-chloro-N-(3-methyl-phen-yl)acetamide and the ortho-chloro group in 2-chloro-N-(2-chloro-phen-yl)acetamide. The geometric parameters are similar to those of other acetanilides. The mol-ecules are linked into chains through inter-molecular N-H?O hydrogen bonds.

| S-EPMC2915041 | biostudies-literature

2-Chloro-N-(2,5-dichloro-phen-yl)acetamide.

Project description:The conformation of the N-H bond in the structure of the title compound, C(8)H(6)Cl(3)NO, is anti to the C=O bond. The N-H H atom shows close intra-molecular N-H?Cl hydrogen bonds with both the ring Cl atom in the ortho position and the side-chain Cl atom. The mol-ecules crystallize in planes parallel to (221).

| S-EPMC2969621 | biostudies-literature

2-Chloro-N-(4-fluoro-phen-yl)acetamide.

Project description:In the title compound, C(8)H(7)ClFNO, an intra-molecular C-H?O hydrogen bond forms a six-membered ring. In the crystal structure, mol-ecules are linked by inter-molecular N-H?O hydrogen bonds, forming infinite chains along the c axis.

| S-EPMC2961718 | biostudies-literature

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