4-{(E)-[2-(4-Iodo­but­oxy)benzyl­idene]amino}-1,5-dimethyl-2-phenyl-1H-pyrazol-3(2H)-one

نویسندگان

  • Hoong-Kun Fun
  • Madhukar Hemamalini
  • Abdullah M. Asiri
  • Salman A. Khan
چکیده

The title Schiff base compound, C(22)H(24)IN(3)O(2), adopts an E configuration about the central C=N bond. The pyrazolone ring makes a dihedral angle of 49.68 (10)° with its attached phenyl ring. The phenolate plane makes dihedral angles of 16.78 (9) and 50.54 (9)°, respectively, with the pyrazolone ring and the terminal phenyl ring. An intra-molecular C-H⋯O hydrogen bond generates an S(6) ring motif. In the crystal structure, an inter-molecular C-H⋯O hydrogen bond is also observed.

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منابع مشابه

1,5-Dimethyl-2-phenyl-1H-pyrazol-3(2H)-one–4,4′-(propane-2,2-di­yl)bis­[1,5-dimethyl-2-phenyl-1H-pyrazol-3(2H)-one] (1/1)

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1,5-Dimethyl-4-{[1-(3-methyl-5-oxo-1-phenyl-4,5-dihydro-1H-pyrazol-4-yl­idene)eth­yl]amino}-2-phenyl-1H-pyrazol-3(2H)-one

In the title compound, C(23)H(23)N(5)O(2), an intra-molecular N-H⋯O hydrogen bond generates an S(6) ring, and the dihedral angle between the pyrazole rings is 48.42 (8)°. The dihedral angles between the pyrazole rings and their attached phenyl rings are 10.06 (8) and 47.53 (8)°.

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4-{[(E)-(3,5-Dimethyl-1-phenyl-1H-pyrazol-4-yl)methyl­idene]amino}-1,5-dimethyl-2-phenyl-1H-pyrazol-3(2H)-one

The title Schiff base compound, C(23)H(23)N(5)O, was synthesized by the reaction of 4-amino-phenazone and 3,5-dimethyl-1-phenyl-pyrazole-4-carbaxaldehyde. The mol-ecule adopts an E configuration about the central C=N double bond. A weak intra-molecular C-H⋯O hydrogen bond generates an S(6) ring motif. The dihedral angle between the pyrazole rings is 24.72 (10)° and the dihedral angles between t...

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4-[(1-Hy­droxy-2-naphth­yl)methyl­ene­amino]-1,5-dimethyl-2-phenyl-1H-pyrazol-3(2H)-one

The title anti-pyrine derivative, C(22)H(19)N(3)O(2), was synthesized by the reaction of 4-amino-1,5-dimethyl-2-phenyl-1,2-dihydro-pyrazol-3-one and 1-hy-droxy-naphthalene-2-carbaldehyde in methanol solution. As expected, the compound adopts a trans configuration about the central C=N bond. The N atom is involved in an intra-molecular O-H⋯N bond which stabilizes the mol-ecular configuration. In...

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عنوان ژورنال:

دوره 66  شماره 

صفحات  -

تاریخ انتشار 2010