Different classical hydrogen-bonding patterns in three salicylaldoxime derivatives, 2-HO-4-XC₆H₃C=NOH (X = Me, OH and MeO).

ABSTRACT: The crystal structures of three salicyaldoxime compounds, namely 2-hy-droxy-4-methyl-benzaldehyde oxime, C₈H₉NO₂, 1, 2,4-di-hydroxy-benzaldehyde oxime, C₇H₇NO₃, 2, and 2-hy-droxy-4-meth-oxy-benzaldehyde oxime, C₈H₉NO₃, 3, are discussed. In each compound, the hydroxyl groups are essentially coplanar with their attached phenyl group. The inter-planar angles between the C=N-O moieties of the oxime unit and their attached phenyl rings are 0.08 (9), 1.08 (15) and 6.65 (15)° in 1, 2 and 3, respectively. In all three mol-ecules, the 2-hy-droxy group forms an intra-molecular O-H⋯N(oxime) hydrogen bond. In compound (1), inter-molecular O-H(oxime)⋯O(hydr

SUBMITTER: Gomes LR 

PROVIDER: S-EPMC6176434 | biostudies-literature | 2018 Oct

REPOSITORIES: biostudies-literature