Methyl 2-{1-[(Z)-3-methyl-5-oxo-1-phenyl-4,5-dihydro-1H-pyrazol-4-ylidene]ethylamino}-3-phenylpropanoate
نویسندگان
چکیده
The mol-ecule of the title compound, C(22)H(23)N(3)O(3), exists in the enamine-keto form. A strong intra-molecular N-H⋯O hydrogen bond occurs, generating an S(6) ring. The dihedral angle between the heterocycle and the adjacent phenyl ring is 3.75 (15)°.
منابع مشابه
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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The asymmetric unit of the title compound, C(29)H(29)N(3)O(3), contains two mol-ecules, which exist in their enamine-keto form, being stabilized by strong intra-molecular N-H⋯O hydrogen bonds, which generate S(6) loops. In the crystal, inter-molecular C-H⋯O hydrogen bonds link the mol-ecules into chains, which are further linked by weak C-H⋯π inter-actions, forming a two-dimensional network.
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The complete mol-ecule of the title compound, C(42)H(36)N(6)O(2), is generated by a crystallographic twofold axis with two C atoms of the central phenyl group lying on the axis. In the independent part of the mol-ecule, one amino group is involved in an intra-molecular N-H⋯O hydrogen bond, and the two adjacent phenyl rings are twisted from the plane of the pyrazolone ring with dihedral angles o...
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The mol-ecule of the title compound, C(27)H(24)N(4)O(5), exists in the keto-enamine tautomeric form, stabilized by an intra-molecular N-H⋯O hydrogen bond. An intra-molecular C-H⋯·O hydrogen bond also occurs. In the crystal, C-H⋯O hydrogen bonds link the mol-ecules into chains.
متن کاملMethyl 2-{[(2-furyl)(3-methyl-5-oxo-1-phenyl-4,5-dihydro-1H-pyrazol-4-ylidene)methyl]amino}acetate
In the title compound, C(18)H(17)N(3)O(4), the amino group of the glycine methyl ester fragment is involved in an intra-molecular N-H⋯O hydrogen bond. The phenyl and furyl rings form dihedral angles of 10.20 (4) and 54.56°, respectively, with the pyrazole ring. In the crystal, mol-ecules related by translation along the b axis are linked into chains via weak inter-molecular C-H⋯O hydrogen bonds.
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