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3-(4-Hydroxy-phenyl-imino)indolin-2-one.

ABSTRACT: In the title compound, C(14)H(10)N(2)O(2), the dihedral angle between the indole and benzene rings is 61.63?(4)°. In the crystal structure, centrosymmetrically related mol-ecules are linked into dimers by N-H?O hydrogen bonds, generating rings of graph-set motif R(2) (2)(8). The dimers are further connected into a three-dimensional network by O-H?O and C-H?O hydrogen bonds.

SUBMITTER: Meng Y

PROVIDER: S-EPMC2979224 | biostudies-literature | 2010 Apr

REPOSITORIES: biostudies-literature

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3-(4-Hydroxy-phenyl-imino)indolin-2-one.

Meng Yan Y

Acta crystallographica. Section E, Structure reports online 20100410 Pt 5

In the title compound, C(14)H(10)N(2)O(2), the dihedral angle between the indole and benzene rings is 61.63 (4)°. In the crystal structure, centrosymmetrically related mol-ecules are linked into dimers by N-H⋯O hydrogen bonds, generating rings of graph-set motif R(2) (2)(8). The dimers are further connected into a three-dimensional network by O-H⋯O and C-H⋯O hydrogen bonds. ...[more]

PMID: 21579113

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3-(Phenyl-imino)indolin-2-one.

Project description:The imino C=N double bond in the title compound, C(14)H(10)N(2)O, exists in an E conformation, with the phenyl ring being twisted by 80.7?(1)° in one independent mol-ecule and by 81.4?(1)° in the other with respect to the plane of the indoline fused-ring system. The two independent mol-ecules are linked by N-H?O hydrogen bonds, forming a zigzag chain running along the a axis.

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6-Hydr-oxy-3-(hydroxy-imino)indolin-2-one.

Project description:In the title compound, C(8)H(6)N(2)O(3), the indol-2-one system is almost planar [maximum deviation = 0.010?(3)?Å]. In the crystal structure, inter-molecular N-H?O, O-H?N and O-H?O hydrogen bonds link the mol-ecules into a three-dimensional network. ?-? contacts between the indole ring systems [centroid-centroid distances = 3.494?(1), 3.731?(1) and 3.736?(1)?Å] may further stabilize the structure.

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(E)-3-(2-Hy-droxy-5-methyl-phenyl-imino)-indolin-2-one.

Project description:In the title compound, C(15)H(12)N(2)O(2), the dihedral angle between the two benzene rings is 83.55 (11)° In the crystal, the molecules are linked by O-H⋯O and N-H⋯O hydrogen bonds.

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Tris(3-hy-droxy-imino-1-methyl-indolin-2-one) monohydrate.

Project description:There are three independent 3-hy-droxy-imino-1-methyl-indolin-2-one mol-ecules and a water mol-ecule in the asymmetric unit of the title compound, 3C(9)H(8)N(2)O(2)·H(2)O. The crystal packing is stablized by O-H?O and O-H?Nhydrogen bonds between 3-hy-droxy-imino-1-methyl-indolin-2-one mol-ecules and the water mol-ecule and weak ?-? stacking inter-actions [centroid-centroid distances in the range 3.446?(2)-3.983?(2)?Å], forming a two-dimensional network.

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1-Benzyl-3-[(4-methyl-phen-yl)imino]-indolin-2-one.

Project description:In the title compound, C(22)H(18)N(2)O, the phenyl and tolyl rings make dihedral angles of 84.71 (7) and 65.11 (6)°, respectively, with the isatin group. The aromatic rings make a dihedral angle of 60.90 (8)°. The imino C=N double bond, exists in an E conformation. In the crystal, mol-ecules are linked by weak π-π stacking inter-actions [centroid-centroid distance = 3.6598 (13) Å].

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(Z)-3-Hydrazinyl-idene-1-phenyl-indolin-2-one.

Project description:The indoline fused-ring system of the title Schiff base, C(14)H(11)N(3)O, is planar (r.m.s. deviation = 0.005?Å); the phenyl substituent is aligned at 66.5?(1)° with respect to the ring system. The amino -NH(2) unit forms an intra-molecular hydrogen bond with the carbonyl O atom. Mol-ecules are connected by an inter-molecular N-H?N hydrogen bond, generating a zigzag chain that runs along the short c axis of the unit cell.

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(E)-3-(1-Phenyl-ethyl-idene)indolin-2-one.

Project description:In the title mol-ecule, C(16)H(13)NO, the indoline-2-one ring system is nearly planar [maximum atomic deviation = 0.082 (2) Å] and is oriented at a dihedral angle of 66.60 (12)° with respect to the phenyl ring. In the crystal, inter-molecular N-H⋯O hydrogen bonds link the mol-ecules into supra-molecular dimers.

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2-Hydroxy-imino-1-phenyl-ethanone thio-semicarbazone monohydrate.

Project description:In the title thio-semicarbazone derivative, C(9)H(10)N(4)OS·H(2)O, intra-molecular N-H?N hydrogen bonds result in the formation of two nearly coplanar five- and six-membered rings, which are also almost coplanar with the adjacent phenyl ring. The oxime group has an E configuration and is involved in inter-molecular O-H?O hydrogen bonding as a donor. In the crystal structure, intra-molecular O-H?S and N-H?N and inter-molecular O-H?O and N-H?S hydrogen bonds generate edge-fused R(2) (2)(8) and R(4) (1)(11) ring motifs. The hydrogen-bonded motifs are linked to each other to form a three-dimensional supra-molecular network.

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(Z)-3-[(E)-3-Phenyl-allyl-idene]indolin-2-one.

Project description:The title compound, C(17)H(13)NO, synthesized to be tested for neuroprotective activities, consists of an indoline and a phenyl-allyl-idene unit with a dihedral angle of 9.0?(1)° between the two ring systems. There are two independent mol-ecules in the asymmetric unit which are connected into a dimer by inter-molecular N-H?O hydrogen bonds.

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5-Fluoro-3-(2-phenyl-hydrazinyl-idene)indolin-2-one.

Project description:In the title compound, C(14)H(10)FN(3)O, the six- and five-membered rings of the isatin moiety and the six-membered ring of phenyl-hydrazone are nearly planar with r.m.s. deviations of 0.0003, 0.0004 and 0.007?Å, respectively. The dihedral angle between the phenyl ring and the isatin ring system is 6.09?(9)°. The mol-ecular structure is stabilized by a strong intra-molecular N-H?O hydrogen bond, leading to the formation of a pseudo-six-membered ring, generating an S(6) ring. The crystal structure features inter-molecular N-H?O inter-actions.

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