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(E)-3-Chloro-N'-hy-droxy-benzene-1-carboximidamide.

ABSTRACT: The title compound, C7H7ClN2O, crystallizes with two independent mol-ecules in the asymmetric unit. The compound adopts an E configuration across the C=N double bond, as the -OH group and the benzene ring are on opposite sides of the double bond while the H atom of the hy-droxy group is directed away from the -NH2 group. In the crystal, mol-ecules are linked to one another through O-H⋯N and N-H⋯O hydrogen bonds, forming chains along [010].

SUBMITTER: Sreenivasa S

PROVIDER: S-EPMC3588992 | biostudies-literature |

REPOSITORIES: biostudies-literature

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N'-Hy-droxy-pyridine-2-carboximidamide.

Project description:The title mol-ecule, C6H7N3O, is almost planar (r.m.s. deviation = 0.0068?Å) and adopts an E conformation about the C=N double bond. In the crystal, mol-ecules are linked by pairs of strong N-H?N hydrogen bonds, forming inversion dimers with R 2 (2)(10) motifs. The dimers are further linked into C(3) chains through O-H?N hydrogen bonds.

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2-Amino-5-chloro-pyridinium 3-carb-oxy-4-hy-droxy-benzene-sulfonate.

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Project description:In the title compound, C(8)H(7)ClO(2), the hydroxyl and aldehyde groups are co-planar with the benzene ring [maximum deviation 0.018?(3)?Å], and the Cl-C-C plane is almost perpendicular to the benzene ring [dihedral angle 83.7?(2)°]. An intra-molecular O-H?O hydrogen bond occurs between the hydroxyl and aldehyde groups.

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