Diethyl 2,6-dimethyl-4-(4-pyridyl)-1,4-dihydropyridine-3,5-dicarboxylate
نویسنده
چکیده
In the title compound, C(18)H(22)N(2)O(4), the dihedral angle between the two rings is 87.90 (6)°. The mean devation of the atoms in the dihydropyridine plane is 0.082 (3) Å. In the crystal, mol-ecules are linked by inter-molecular N-H⋯N hydrogen bonds, generating chains.
منابع مشابه
Diethyl 2,6-dimethyl-4-[5-(4-methylphenyl)-1H-pyrazol-4-yl]-1,4-dihydropyridine-3,5-dicarboxylate
In the title compound, C23H27N3O4, the dihydro-pyridine ring adopts a (1,4)B conformation. Intra-molecular C-H⋯O contacts occur. In the crystal, N-H⋯O and N-H⋯N hydrogen bonds and C-H⋯N contacts connect the mol-ecules into strands along the a-axis direction.
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In the title compound, C(20)H(25)NO(4), the 1,4-dihydro-pyridine ring adopts a flattened-boat conformation and forms a dihedral angle of 89.77 (8)° with the benzene ring. Inter-molecular N-H⋯O hydrogen bonds result in the formation of extended chains parallel to the b axis.
متن کاملDiethyl 4-(4-cyanophenyl)-2,6-dimethyl-1,4-dihydropyridine-3,5-dicarboxylate
In the title compound, C(20)H(22)N(2)O(4), the dihedral angle between the roughly planar dihydro-pyridine ring (r.m.s. deviation = 0.092 Å) and the benzene ring is 87.09 (6)°. One of the eth-oxy side chains is disordered over two orientations in a 0.669 (14):0.331 (14) ratio. In the crystal, mol-ecules are linked by N-H⋯N hydrogen bonds, generating chains.
متن کاملDiethyl 4-(4-acetamidophenyl)-2,6-dimethyl-1,4-dihydropyridine-3,5-dicarboxylate
The title compound, C(21)H(26)N(2)O(5), was unexpectedly obtained as a by-product in the reaction of ethyl acetoacetate, 4-acetamido-benzaldehyde and urea under microwave irradiation. The dihydro-pyridine ring assumes a flattened boat conformation. Inter-molecular N-H⋯O and weak C-H⋯O hydrogen bonding occurs in the crystal.
متن کاملDiethyl 4-[5-(biphenyl-4-yl)-1H-pyrazol-4-yl]-2,6-dimethyl-1,4-dihydropyridine-3,5-dicarboxylate ethanol monosolvate
In the title compound, C(28)H(29)N(3)O(4)·C(2)H(6)O, the benzene ring makes dihedral angles of 33.72 (13) and 32.86 (13)°, respectively, with the adjacent pyrazole and phenyl rings. In the crystal, the components are connected via inter-molecular N-H⋯O, N-H⋯N, O-H⋯O and C-H⋯O hydrogen bonds, forming a layer parallel to the bc plane.
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