Dimethyl 4-(3,4-dimethoxyphenyl)-2,6-dimethyl-1,4-dihydropyridine-3,5-dicarboxylate
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چکیده
In the title compound, C(19)H(23)NO(6), the 1,4-dihydro-pyridine ring is twisted slightly from planarity, with a maximum deviation of 0.101 (1) Å, and adopts a very flattened boat conformation. The dihedral angle formed between the plane through the four C atoms of the 1,4-dihydro-pyridine ring and the benzene ring is 84.67 (7)°. In the crystal structure, inter-molecular N-H⋯O and C-H⋯O hydrogen bonds link the mol-ecules into a three-dimensional network.
منابع مشابه
Dimethyl 2,6-dimethyl-4-(3-phenyl-1H-pyrazol-4-yl)-1,4-dihydropyridine-3,5-dicarboxylate
In the title compound, C(20)H(21)N(3)O(4), the 1,4-dihydro-pyridine ring adopts a boat conformation. An intra-molecular C-H⋯O hydrogen bond generates an S(6) ring motif. The pyrazole ring makes dihedral angles of 87.81 (7) and 45.09 (7)° with the mean plane of the 1,4-dihydro-pyridine ring and the phenyl ring, respectively. In the crystal, mol-ecules are linked by N-H⋯N, N-H⋯O and C-H⋯O hydroge...
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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 کاملDimethyl 4-[3-(4-methoxyphenyl)-1-phenyl-1H-pyrazol-4-yl]-2,6-dimethyl-1,4-dihydropyridine-3,5-dicarboxylate dihydrate
In the title compound, C(27)H(27)N(3)O(5)·2H(2)O, the dihydro-pyridine ring adopts a flattened boat conformation. The central pyrazole ring is essentially planar [maximum deviation of 0.003 (1) Å] and makes dihedral angles of 50.42 (6) and 26.44 (6)° with the benzene rings. In the crystal, mol-ecules are linked via N-H⋯O, O-H⋯O, O-H⋯N and C-H⋯O hydrogen bonds into two-dimensional networks paral...
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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.
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