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N-[7-Eth-oxy-1-(prop-2-en-1-yl)-1H-indazol-4-yl]-4-methyl-benzene-sulfonamide.

ABSTRACT: In the title compound, C(19)H(21)N(3)O(3)S, the C-SO(2)-NH-C torsion angle is 103.72 (11)°. The almost planar indazole ring [r.m.s. deviation = 0.0202 (14) Å] is twisted away from the methyl-benzene ring by 76.87 (7)°. The vinyl group is disordered over two orientations with site occupancies of 0.622 (10) and 0.378 (10). The S atom has a distorted tetra-hedral geometry [maximum deviation: O-S-O = 119.18 (11)°]. An intra-molecular C-H⋯O hydrogen bond occurs. In the crystal, two mol-ecules are linked about a center of inversion by pairs of N-H⋯O hydrogen bonds, generating a dimer. C-H⋯π inter-actions are also observed.

SUBMITTER: Abbassi N

PROVIDER: S-EPMC3151999 | biostudies-literature |

REPOSITORIES: biostudies-literature

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N-(7-Eth-oxy-1H-indazol-4-yl)-4-methyl-benzene-sulfonamide.

Project description:The mol-ecule of the title heterocyclic compound, C(16)H(17)N(3)O(3)S, is bent at the S atom with an C-SO(2)-NH-C torsion angle of 80.17?(8)°. The phenyl substituent at the S atom is rotated out of the plane of the 1H-indazole ring [inter-planar angle = 46.24?(8)°]. In the crystal, inter-molecular N-H?N and N-H?O hydrogen bonds build up a ribbon developing parallel to the b-axis direction. C-H?O hydrogen bonds link these ribbons, forming a layer parallel to the bc plane.

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N-(3-Chloro-4-eth-oxy-1-methyl-1H-indazol-5-yl)-4-meth-oxy-benzene-sulfonamide.

Project description:The indazole ring system of the title compound, C17H18ClN3O4S, is almost planar (r.m.s. deviation = 0.0113?Å) and forms dihedral angles of 32.22?(8) and 57.5?(3)° with the benzene ring and the mean plane through the 4-eth-oxy group, respectively. In the crystal, mol-ecules are connected by pairs of N-H?O hydrogen bonds into inversion dimers, which are further linked by ?-? inter-actions between the diazole rings [inter-centroid distance = 3.4946?(11)?Å], forming chains parallel to [101].

| S-EPMC4051022 | biostudies-literature

N-(1-Allyl-3-chloro-4-eth-oxy-1H-indazol-5-yl)-4-methyl-benzene-sulfonamide.

Project description:In the title compound, C19H20ClN3O3S, the benzene ring is inclined to the indazole ring system by 51.23?(8)°. In the crystal, mol-ecules are linked by pairs of N-H?O hydrogen bonds, forming inversion dimers which stack in columns parallel to [011]. The atoms in the allyl group are disordered over two sets of sites with an occupancy ratio of 0.624?(8):0.376?(8).

| S-EPMC4051038 | biostudies-literature

N-[7-Eth-oxy-2-(prop-2-en-1-yl)-2H-indazol-6-yl]-4-methyl-benzene-sulfonamide.

Project description:In the title compound, C(19)H(21)N(3)O(3)S, the C-SO(2)-NH-C torsion angle is 66.20?(9)°. The dihedral angle between the benzene ring and the essentially planar indazole ring system [r.m.s. deviation = 0.0361?(1)?Å] is 72.97?(6)°. The S atom has a distorted tetra-hedral geometry [maximum deviation = O-S-O = 119.30?(6)°]. The crystal structure features inversion-related dimers linked by pairs of N-H?O hydrogen bonds. In addition, weak C-H?O inter-actions may stabilize the crystal packing.

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4-Meth-oxy-N-(1-methyl-1H-indazol-5-yl)benzene-sulfonamide.

Project description:The indazole ring system [maximum deviation = 0.013?(2)?Å] of the title compound, C15H15N3O3S, makes a dihedral angle of 50.11?(7)° with the benzene ring. In the crystal, cohesion is provided by C-H?O and N-H?N hydrogen bonds, which link the molecules into chains propagating along the b-axis direction.

| S-EPMC3884501 | biostudies-literature

N-(2-Allyl-4-eth-oxy-2H-indazol-5-yl)-4-methyl-benzene-sulfonamide.

Project description:The indazole ring system of the title compound, C19H21N3O3S, is almost planar (r.m.s. deviation = 0.0192?Å) and forms dihedral angles of 77.99?(15) and 83.9?(3)° with the benzene ring and allyl group, respectively. In the crystal, centrosymmetrically related mol-ecules are connected by pairs of N-H?O hydrogen bonds into dimers, which are further linked by C-H?O hydrogen bonds, forming columns parallel to the b axis.

| S-EPMC4011273 | biostudies-literature

N-(1H-Indazol-5-yl)-4-meth-oxy-benzene-sulfonamide.

Project description:In the title compound, C14H13N3O3S, the fused ring system is almost planar, the largest deviation from the mean plane being 0.023?(2)?Å, and makes a dihedral angle of 47.92?(10)° with the benzene ring of the benzene-sulfonamide moiety. In the crystal, mol-ecules are connected through N-H?O hydrogen bonds and weak C-H?O contacts, forming a two-dimensional network which is parallel to (010).

| S-EPMC3884352 | biostudies-literature

4-Methyl-N-(1-methyl-1H-indazol-5-yl)benzene-sulfonamide.

Project description:In the title compound, C15H15N3O2S, the fused ring system is close to planar, the largest deviation from the mean plane being 0.030?(2)?Å, and makes a dihedral angle of 48.84?(9)° with the benzene ring belonging to the methyl-benzene-sulfonamide moiety. In the crystal, mol-ecules are -connected through N-H?N hydrogen bonds and weak C-H?O contacts, forming a two-dimensional network parallel to (001).

| S-EPMC3884404 | biostudies-literature

N-(3-Chloro-1H-indazol-5-yl)-4-meth-oxy-benzene-sulfonamide.

Project description:In the title compound, C14H12ClN3O3S, the fused five- and six-membered rings are folded slightly along the common edge, forming a dihedral angle of 3.2?(1)°. The mean plane through the indazole system makes a dihedral angle of 30.75?(7)° with the distant benzene ring. In the crystal, N-H?O hydrogen bonds link the mol-ecules, forming a two-dimensional network parallel to (001).

| S-EPMC3884302 | biostudies-literature

Crystal structure of N-(3-chloro-1-methyl-1H-indazol-5-yl)-4-meth-oxy-benzene-sulfonamide.

Project description:In the title compound, C15H14ClN3O3S, the dihedral angle between the planes of the indazole ring system (r.m.s. deviation = 0.007?Å) and the benzene ring is 89.05?(7)°. The meth-oxy C atom deviates from its attached ring by 0.196?(3)?Å. In the crystal, inversion dimers linked by pairs of N-H?O hydrogen bonds generate R 2 (2)(8) loops. The dimers are connected into [010] chains by C-H?O inter-actions.

| S-EPMC4186104 | biostudies-literature

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