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2-Chloro-N-[(2-methyl-phen-yl)sulfon-yl]acetamide.

ABSTRACT: In the title compound, C(9)H(10)ClNO(3)S, the amide H atom is syn with respect to the ortho-methyl group in the benzene ring and the C-S-N-C torsion angle is -66.9 (2)°. An intra-molecular N-H⋯Cl hydrogen bond occurs. The crystal structure features inversion-related dimers linked by pairs of N-H⋯O hydrogen bonds.

SUBMITTER: Shakuntala K

PROVIDER: S-EPMC3051983 | biostudies-literature |

REPOSITORIES: biostudies-literature

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N-(4-Chloro-2-nitro-phen-yl)-N-(methyl-sulfon-yl)acetamide.

Project description:The title compound, C(9)H(9)ClN(2)O(5)S, is of inter-est as a precursor to biologically active substituted quinolines and related compounds. The structure displays inter-molecular C-H⋯O inter-actions. Each mol-ecule is linked to two adjacent neighbours via weak centrosymmetric dimer-forming inter-actions, forming chains in the [101] direction.

| S-EPMC2959785 | 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.

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

Project description:In the title compound, C(9)H(11)NO(3)S, the dihedral angle between the benzene ring and the amide group is 76.7?(3)°. In the crystal, mol-ecules are linked by pairs of C-H?O hydrogen bonds into inversion dimers with R(2) (2)(8) ring motifs. The dimers are further connected by N-H?O and C-H?O hydrogen bonds into an infinite tape running parallel to the b-axis direction.

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N-(4-Chloro-phenyl-sulfon-yl)-2,2,2-tri-methyl-acetamide.

Project description:In the crystal structure of the title compound (N4CPSTMAA), C(11)H(14)ClNO(3)S, the conformations of the N-H and C=O bonds in the amide group are anti to each other, similar to those observed in N-phenyl-sulfonyl-2,2,2-trimethyl-acetamide (NPSTMAA) and 2,2,2-trimethyl-N-(4-methyl-phenyl-sulfon-yl)acetamide (N4MPSTMAA). The bond parameters in N4CPSTMAA are similar to those in NPSTMAA, N4MPSTMAA, N-aryl-2,2,2-trimethyl-acetamides and 4-chloro-benzene-sulfonamide. The -SNHCOC- unit including the amide group is essentially planar and makes a dihedral angle of 82.2?(1)° with the benzene ring, comparable to the values of 79.1?(1) and 71.2?(1)° in NPSTMAA and N4MPSTMAA, respectively. The mol-ecules in N4CPSTMAA are linked into a chain by inter-molecular N-H?O hydrogen bonds.

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

Project description:The conformation of the N-H bond in the structure of the title compound, C(9)H(10)ClNO, is syn to the meta-methyl group, in contrast to the anti conformation observed with respect to the meta-nitro group in 2-chloro-N-(3-nitro-phen-yl)-acetamide. The asymmetric unit of the title compound contains two mol-ecules. The geometric parameters of the title compound are similar to those of 2-chloro-N-(4-methyl-phen-yl)-acetamide, 2-chloro-N-(3-nitro-phen-yl)acetamide and other acetanilides. Dual inter-molecular N-H⋯O hydrogen bonds link the mol-ecules in the direction of the a axis.

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Project description:The crystal structure of the title compound, C(14)H(13)ClN(2)O(3)S, features a three-dimensional network stabilized by inter-molecular C-H?O hydrogen bonds between the mol-ecules. The 4-methyl-phenyl-sulfonyl ring forms a dihedral angle of 30.6?(1)° with the 4-chloro-pyridine ring.

| S-EPMC3011710 | biostudies-literature

2-Chloro-N-chloro-methyl-N-(2-ethyl-6-methyl-phen-yl)acetamide.

Project description:The title compound, C(12)H(15)Cl(2)NO, was synthesized as an inter-mediate for the synthesis of the herbicide Acetochlor. The crystal structure exhibits weak inter-molecular C-H?O hydrogen bonds, which link the mol-ecules into zigzag chains along the b axis.

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N-(4-Meth-oxy-2-nitro-phen-yl)-N-(methyl-sulfon-yl)acetamide.

Project description:In the title compound, C(10)H(12)N(2)O(6)S, the nitro group is twisted slightly out of the plane of the aromatic ring, forming a dihedral angle of 20.79 (1)°. In the crystal, the mol-ecules arrange themselves as a chain along the a axis through inter-molecular C-H⋯O inter-actions.

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2-Chloro-N-methyl-N-[2-(methyl-amino)-phen-yl]acetamide.

Project description:The title compound, C(10)H(13)ClN(2)O, was obtained as a by-product in the reaction of 2-chloro-methyl-1H-benzimidazole, dimethyl sulfate and toluene to synthesise 2-chloro-methyl-1-methyl-benzimidazole. The dihedral angle between the benzene ring and the acetamide group is 89.72 ?(6)° while that between the aromatic ring and the chloracetyl group is 84.40?(4)°. In the crystal, adjacent mol-ecules are linked by pairs of N-H?O hydrogen bonds into inversion dimers.

| S-EPMC3569763 | biostudies-literature

2-Chloro-N-(4-chloro-3-iodo-phen-yl)-4-(methyl-sulfon-yl)benzamide.

Project description:In the title compound, C(14)H(10)Cl(2)INO(3)S, the dihedral angle between the benzene rings is 52.13?(10)°. In the crystal, the components are linked by pairs of N-H?O(sulfon-yl) hydrogen bonds into centrosymmetric dimers.

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