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4-[(E)-(2,4,5-Trimeth-oxy-benzyl-idene)amino]-1,5-dimethyl-2-phenyl-1H-pyrazol-3(2H)-one.

ABSTRACT: The title compound, C(21)H(23)N(3)O(4), adopts an E configuration about the central C=N double bond and the pyrazolone ring is almost planar, with a maximum deviation of 0.042 (1) Å. The central pyrazolone ring makes dihedral angles of 51.96 (5) and 3.82 (5)° with the attached phenyl and the trimeth-oxy-substituted benzene rings, respectively. The dihedral angle between the phenyl ring and the trimeth-oxy-substituted benzene ring is 50.19 (5)° and an intra-molecular C-H⋯O hydrogen bond generates an S(6) ring motif. The crystal structure is stabilized by inter-molecular C-H⋯O and C-H⋯N hydrogen bonds.

SUBMITTER: Fun HK 

PROVIDER: S-EPMC3006971 | biostudies-literature | 2010 Jun

REPOSITORIES: biostudies-literature

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4-[(E)-(2,4,5-Trimeth-oxy-benzyl-idene)amino]-1,5-dimethyl-2-phenyl-1H-pyrazol-3(2H)-one.

Fun Hoong-Kun HK   Hemamalini Madhukar M   Asiri Abdullah M AM   Khan Salman A SA  

Acta crystallographica. Section E, Structure reports online 20100616 Pt 7

The title compound, C(21)H(23)N(3)O(4), adopts an E configuration about the central C=N double bond and the pyrazolone ring is almost planar, with a maximum deviation of 0.042 (1) Å. The central pyrazolone ring makes dihedral angles of 51.96 (5) and 3.82 (5)° with the attached phenyl and the trimeth-oxy-substituted benzene rings, respectively. The dihedral angle between the phenyl ring and the trimeth-oxy-substituted benzene ring is 50.19 (5)° and an intra-molecular C-H⋯O hydrogen bond generates  ...[more]

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