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Methyl 2,4-dihy-droxy-5-(2-methyl-propanamido)-benzoate.

ABSTRACT: In the title compound, C(12)H(15)NO(5), the dihedral angle between the benzene ring and the C atoms of the terminal isopropyl group is 83.48?(16)°. Intra-molecular N-H?O and O-H?O hydrogen bonds generate S(5) and S(6) rings, respectively. In the crystal, mol-ecules are linked by O-H?O hydrogen bonds, generating C(7) chains propagating in [001]. Weak aromatic ?-? stacking [centroid-centroid separation = 3.604?(3)?Å] is also observed.

SUBMITTER: Naz SS

PROVIDER: S-EPMC3569756 | biostudies-literature | 2013 Feb

REPOSITORIES: biostudies-literature

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Methyl 2,4-dihy-droxy-5-(4-nitro-benzamido)-benzoate.

Project description:In the title compound, C(15)H(12)N(2)O(7), the dihedral angle between the aromatic rings is 4.58?(13)° and the nitro group is rotated from its attached ring by 18.07?(17)°. Intra-molecular N-H?O and O-H?O hydrogen bonds generate S(5) and S(6) rings, respectively. In the crystal, mol-ecules are linked by O-H?O hydrogen bonds, generating [001] C(7) chains. The chains are linked by C-H?O inter-actions, forming a three-dimensional network, which incorporates R(2) (2)(7) and R(2) (2)(10) loops.

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Project description:In the title compound, C(6)H(16)N(+)·C(7)H(5)O(4) (-), the hy-droxy groups of the 3,4-dihy-droxy-benzoate anion form O-H?O hydrogen bonds to the carboxyl-ate groups of two adjacent anions, generating layers propagating in the ac plane. The triethyl-ammonium cations lie between these layers, forming N-H?O hydrogen bonds to the carboxyl-ate groups of the anions. The structure is consolidated by weak inter-molecular C-H?O inter-actions.

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Project description:In the title compound, C(2)H(10)N(2) (2+)·2C(7)H(5)O(4) (-)·H(2)O, the cation lies on a centre of symmetry. The crystal structure is stabilized by various inter-molecular O-H?O and N-H?O hydrogen bonds, and by weak ?-? stacking inter-actions with centroid-centroid distances between symmetry-related benzene rings ranging from 3.5249?(13) to 3.7566?(14)?Å.

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Bis(μ-2,4-dihy-droxy-benzoato-κO:O')bis-[aqua-(2,4-dihy-droxy-benzoato-κO)(1,10-phenanthroline-κN,N')cadmium(II)].

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Project description:In the title compound, C(7)H(8)NO(4) (+)·Cl(-)·2H(2)O, the organic mol-ecule is almost planar with an r.m.s. deviation of 0.0164 Å for all non-H atoms. An S(6) ring motif is formed due to an intra-molecular O-H⋯O hydrogen bond. In the crystal, the mol-ecules are linked into a three-dimensional network by N-H⋯Cl, N-H⋯O, O-H⋯Cl and O-H⋯O hydrogen bonds.

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