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2,2,2-Tribromo-N-phenyl-acetamide.

ABSTRACT: In the title compound, C(8)H(6)Br(3)NO, the N-H bond is anti to the carbonyl bond in the side chain. The N-H hydrogen atom is involved in a two-centered bond as it shows simultaneous N-H⋯Br intra- and N-H⋯O inter-molecular inter-actions in the structure. In the crystal, mol-ecules are packed into column-like chains along the b axis through the N-H⋯O hydrogen bonds.

SUBMITTER: Gowda BT

PROVIDER: S-EPMC2969975 | biostudies-literature |

REPOSITORIES: biostudies-literature

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2,2,2-Tribromo-N-(2-methyl-phen-yl)acetamide.

Project description:The asymmetric unit of the title compound, C(9)H(8)Br(3)NO, contains two independent mol-ecules. Intra-molecular N-H?Br hydrogen bonds are present in both mol-ecules. In the crystal, mol-ecules are packed into columnar chains by inter-molecular N-H?O hydrogen bonds.

| S-EPMC2984052 | biostudies-literature

2,2,2-Tribromo-N-(4-methyl-phen-yl)acetamide.

Project description:The asymmetric unit of the title compound, C(9)H(8)Br(3)NO, contains two independent mol-ecules which differ in the orientation of the tribromo group. A weak intra-molecular N-H⋯Br hydrogen bond is observed in each mol-ecule. In the crystal, the independent mol-ecules are linked into chains along the b axis by inter-molecular N-H⋯O hydrogen bonds.

| S-EPMC2983910 | biostudies-literature

2,2,2-Tribromo-N-(3-methyl-phen-yl)acetamide.

Project description:The asymmetric unit of the title compound, C(9)H(8)Br(3)NO, contains two independent mol-ecules. The conformation of the N-H bond is anti to the 3-methyl substituent in the benzene ring in each mol-ecule. The structure shows both intra-molecular N-H⋯Br and inter-molecular N-H⋯O hydrogen bonding, the latter leading to the formation of helical supra-molecular chains along the b axis.

| S-EPMC2971947 | biostudies-literature

2,2,2-Tribromo-N-(4-chloro-phen-yl)acetamide.

Project description:The crystal structure of the title compound, C(8)H(5)Br(3)ClNO, shows both intra-molecular N-H?Br and inter-molecular N-H?O hydrogen bonding. In the crystal, the mol-ecules are packed into column-like chains in the c-axis direction via the N-H?O hydrogen bonds.

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2,2,2-Tribromo-N-(2-chloro-phen-yl)acetamide.

Project description:In the title compound, C(8)H(5)Br(3)ClNO, the conformation of the N-H bond is syn to the 2-chloro substituent in the benzene ring. There are no classical inter-molecular hydrogen bonds, but intra-molecular N-H?Br and N-H?Cl contacts occur.

| S-EPMC2979848 | biostudies-other

2,2,2-Tribromo-N-(3-chloro-phen-yl)acetamide.

Project description:In the title compound, C(8)H(5)Br(3)ClNO, the conformation of the N-H bond is anti to the 3-chloro substituent in the benzene ring. An intra-molecular N-H?Br hydrogen bond occurs. In the crystal, mol-ecules are packed into infinite chains in the a-axis direction by N-H?O hydrogen bonds.

| S-EPMC2979090 | biostudies-other

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

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

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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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.

| S-EPMC2961760 | biostudies-literature

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.

| S-EPMC2961849 | biostudies-other

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