1-[(E)-2-Formyl-1-(4-methylphenyl)ethenyl]-3-(4-methylphenyl)pyrazole-4-carbaldehyde
نویسندگان
چکیده
In the crystal structure of the title compound, C(21)H(18)N(2)O(2), mol-ecules are linked through C-H⋯O inter-actions. Two symmetry-related mol-ecules form a cyclic centrosymmetric R(2) (2)(20) dimer. These dimers are further connected into chains running along the b axis.
منابع مشابه
Crystal structure of 5-(4-methylphenyl)-3-[(E)-2-(4-methylphenyl)ethenyl]cyclohex-2-en-1-one
In the title compound, C22H22O, the dihedral angle between the planes of the benzene rings is 53.55 (7)°. Weak C-H⋯O inter-actions help to direct the packing, forming sheets lying parallel to (020).
متن کاملCrystal structure of 5-(4-methoxyphenyl)-3-(4-methylphenyl)-4,5-dihydro-1H-pyrazole-1-carbaldehyde
In the title compound, C18H18N2O2, the pyrazole ring has a twisted conformation on the CH-CH2 bond. The tolyl ring and the 4-meth-oxy-phenyl ring are inclined to the mean plane of the pyrazole ring by 4.40 (9) and 86.22 (9)°, respectively, while the two aromatic rings are inclined to one another by 88.75 (9)°. In the crystal, mol-ecules are linked via bifurcated C-H⋯(O,O) hydrogen bonds and C-H...
متن کامل(E)-3-(4-Methylphenyl)-3-[3-(4-methylphenyl)-1H-pyrazol-1-yl]-2-propenal
In the title compound, C(20)H(18)N(2)O, the pyrazole ring adopts a planar conformation. The C-N bond lengths in the pyrazole ring are shorter than a standard C-N single bond (1.443 Å), but longer than a standard double bond (1.269 Å), indicating electron delocalization. The propenal group assumes an extended conformation. Inter-molecular C-H⋯O hydrogen bonds connect mol-ecules into cyclic centr...
متن کاملEthyl 1-benzyl-3-(4-methylphenyl)-1H-pyrazole-5-carboxylate
In the title compound, C(20)H(20)N(2)O(2), the pyrazole ring makes dihedral angles of 15.68 (4) and 83.40 (4)°, respectively, with the tolyl and benzyl rings, respectively.
متن کامل4-[3,4-Dimethyl-1-(4-methylphenyl)-5-oxo-4,5-dihydro-1H-pyrazol-4-yl]-3,4-dimethyl-1-(4-methylphenyl)-4,5-dihydro-1H-pyrazol-5-one
In the title compound, C(24)H(26)N(4)O(2), the complete mol-ecule is generated by the application of twofold symmetry. The pyrazole ring is approximately planar [r.m.s. deviation = 0.026 Å] and the benzene ring is twisted out of this plane [dihedral angle = 21.94 (7)°]. A twist in the mol-ecule about the central C-C bond [1.566 (3) Å] is also evident [C-C-C-C torsion angle = 44.30 (14)°]. Supra...
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عنوان ژورنال:
دوره 64 شماره
صفحات -
تاریخ انتشار 2008