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5-(4-Chloro-phen-oxy)-3-methyl-1-phenyl-1H-pyrazole-4-carbaldehyde.

ABSTRACT: In the title compound, C17H13ClN2O2, the phenyl and chloro-benzene rings are inclined to the central pyrazole ring at 40.84?(9) and 65.30?(9)°, respectively. In the crystal, pairs of C-H?? inter-actions link the mol-ecules into inversion dimers and C-H?O hydrogen bonds link these dimers into columns extended in [010]. The crystal packing exhibits short inter-molecular O?Cl contacts of 3.0913?(16)?Å.

SUBMITTER: Vinutha N

PROVIDER: S-EPMC4011310 | biostudies-literature | 2014 May

REPOSITORIES: biostudies-literature

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3-Methyl-5-phen-oxy-1-phenyl-1H-pyrazole-4-carbaldehyde.

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Project description:In the title compound, C(16)H(11)ClN(2)O(2), the pyrazole ring makes dihedral angles of 11.88?(13) and 22.33?(13)° with the 3-chloro-2-hy-droxy-benzene group and phenyl rings, respectively. The phenolic hy-droxy group forms an intra-molecular O-H?N hydrogen bond with the imine N atom of the pyrazole unit. The formyl group is virtually coplanar with the pyrazole ring [dihedral angle = 4.5?(19)°] and acts as an acceptor in an intra-molecular C-H?O hydrogen bond closing seven-membered ring. In the crystal, adjacent mol-ecules are linked through C-H?O hydrogen bonds into infinite chains along the b axis.

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