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N-(Phenyl-sulfon-yl)acetamide.

ABSTRACT: In the title compound, C(8)H(9)NO(3)S, the N-H bond is in an anti-periplanar conformation with respect to the C=O bond. The crystal packing is stabilized by N-H?O hydrogen bonds, generating C(4) chains propagating in [001].

SUBMITTER: Gowda BT

PROVIDER: S-EPMC2979412 | biostudies-literature | 2010 May

REPOSITORIES: biostudies-literature

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N-(Phenyl-sulfon-yl)acetamide.

Gowda B Thimme BT Foro Sabine S Nirmala P G PG Fuess Hartmut H

Acta crystallographica. Section E, Structure reports online 20100508 Pt 6

In the title compound, C(8)H(9)NO(3)S, the N-H bond is in an anti-periplanar conformation with respect to the C=O bond. The crystal packing is stabilized by N-H⋯O hydrogen bonds, generating C(4) chains propagating in [001]. ...[more]

PMID: 21579383

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N-(2-Chloro-phenyl-sulfon-yl)acetamide.

Project description:The asymmetric unit of the title compound, C(8)H(8)ClNO(3)S, contains two independent mol-ecules in which the C-S-N-C torsion angles are -71.7?(3) and 61.2?(3)°. The benzene rings and the SO(2)-NH-CO-C segments form dihedral angles of 80.2?(1) and 88.1?(2)° in the two independent mol-ecules. In the crystal, inter-molecular N-H?O hydrogen bonds link the mol-ecules into chains in the b-axis direction.

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Project description:In the mol-ecular structure of the title compound, C(9)H(11)NO(3)S, the N-H and C=O bonds are anti to each other, while the amide H atom is syn with respect to the ortho-methyl group in the benzene ring. The C-S-N-C torsion angle is -58.2?(2)°, indicating a twist in the mol-ecule. In the crystal, N-H?O hydrogen bonds link the mol-ecules into chains along the c axis.

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Project description:The N-H and C=O bonds of the SO(2)-NH-CO group in the title compound, C(11)H(15)NO(3)S, are anti to each other. The asymmetric unit contains two independent mol-ecules. The benzene rings form dihedral angles of 83.19 (8) and 76.01 (10)° with the mean planes of the C(2)NOS fragments. The mol-ecules are linked into chains parallel to the b axis by inter-molecular N-H⋯O hydrogen bonds.

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2,2-Dichloro-N-(phenyl-sulfon-yl)-acetamide.

Project description:The conformation of the N-H and C=O bonds in the title compound, C(8)H(7)Cl(2)NO(3)S, is trans. The benzene ring and the SO(2)-NH-CO-C group form a dihedral angle of 79.75 (8)°. Mol-ecules are connected via N-H⋯O hydrogen bonds to form linear supra-molecular chains.

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2,2-Dimethyl-N-(2-methyl-phenyl-sulfon-yl)acetamide.

Project description:The asymmetric unit of the title compound, C(11)H(15)NO(3)S, contains two independent mol-ecules in which the amide bonds show a trans conformation. The C-S-N-C torsion angles are -67.4?(2) and 63.8?(2)° in the two independent mol-ecules. In one of the mol-ecules, a methyl group is disordered over two sets of sites with a site-occupation factor of 0.661?(16) for the major occupany component. In the crystal, mol-ecules are packed into chains running along [101] through N-H?O(S) hydrogen bonds.

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2,2-Dichloro-N-(4-chloro-phenyl-sulfon-yl)-acetamide.

Project description:In the crystal structure of the title compound (N4CPSDCAA), C(8)H(6)Cl(3)NO(3)S, the conformations of the N-H and C=O bonds in the SO(2)-NH-CO-C group are trans to each other, similar to those observed in 2,2-dichloro-N-(phenyl-sulfon-yl)-acetamide (NPSDCAA), 2,2-dichloro-N-(4-methyl-phenyl-sulfon-yl)acetamide (N4MPSDCAA) and N-(4-chloro-phenyl-sulfon-yl)-2,2,2-trimethyl-acetamide (N4CPSTMAA), with similar bond parameters. The -SNHCOC- unit in N4CPSDCAA is essentially planar and makes a dihedral angle of 79.67 (5)° with the benzene ring, comparable to 79.75 (8)° in NPSDCAA, 81.02 (5)° in N4MPSDCAA and 82.2 (1)° in N4CPSTMAA. The mol-ecules in N4CPSDCAA are linked into layers parallel to the (001) plane by inter-molecular N-H⋯O hydrogen bonds.

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

Project description:The bond parameters and conformations of the N-H and C=O bonds of the SO(2)-NH-CO-C group in the title compound, C(12)H(17)NO(3)S, anti to each other, are similar to what has been observed in related structures. The benzene ring and the SO(2)-NH-CO-C group make a dihedral angle of 71.2 (1)°. Inter-molecular N-H⋯O hydrogen bonds link the mol-ecules into centrosymmetric dimers.

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N-[4-(4-Chloro-benzene-sulfonamido)-phenyl-sulfon-yl]acetamide.

Project description:In the title compound, C(14)H(13)ClN(2)O(5)S(2), the dihedral angles between the central benzene ring and the pendant chloro-benzene ring and the N-acetyl group are 82.35?(5) and 79.71?(6)°, respectively, and the overall conformation of the mol-ecule approximates to a U shape. Both the C-S-N-C conformations are gauche, but with opposite senses [torsion angles = -59.29?(15) and 63.68?(16)°]. An intra-molecular C-H?O inter-action generates an S(6) ring. In the crystal, inversion dimers linked by pairs of N-H?O hydrogen bonds generate R(2) (2)(20) loops. A second N-H?O hydrogen bond links the dimers into (101) layers.

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Project description:The conformations of the N-H and C=O bonds in the SO(2)-NH-CO-C group of the title compound (N4BPSTMAA), C(11)H(14)BrNO(3)S, are trans to each other, similar to what is observed in N-(4-chloro-phenyl-sulfon-yl)-2,2,2-trimethyl-acet-amide (N4CPSTMAA) and 2,2,2-trimethyl-N-(4-methyl-phenyl--sulfon-yl)acetamide (N4MPSTMAA). The bond para-meters in N4BPSTMAA are similar to those in N4CPSTMAA, N4MPSTMAA, N-aryl-2,2,2-trimethyl-acet-amides and 4-bromo-benzene-sulfonamide. The benzene ring and the SO(2)-NH-CO-C group in N4BPSTMAA form a dihedral angle of 82.8 (1)°, comparable with the values of 82.2 (1)° in N4CPSTMAA and 71.2 (1)° in N4MPSTMAA. N-H⋯O hydrogen bonds form a centrosymmetric ring characterized by an R(2) (2)(8) motif.

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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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