Dimethyl 4-(4-ethoxyphenyl)-2,6-dimethyl-1,4-dihydropyridine-3,5-dicarboxylate
نویسندگان
چکیده
In the title mol-ecule, C(19)H(23)NO(5), the dihedral angle formed by the benzene ring and the planar part of the dihydro-pyridine ring is 83.52 (5)°. The dihydro-pyridine ring adopts a flattened boat conformation. In the crystal, mol-ecules are linked by N-H⋯O hydrogen bonds, generating chains running parallel to [100]. The crystal structure is consolidated by C-H⋯O contacts.
منابع مشابه
Diethyl 4-(4-ethoxyphenyl)-2,6-dimethyl-1,4-dihydropyridine-3,5-dicarboxylate
In the title compound, C(21)H(27)NO(5), the dihydropyridine ring adopts a boat conformation. The ethoxy-phenyl ring is oriented approximately perpendicular to the planar part of the dihydropyridine ring, making a dihedral angle of 89.45 (6)°. An intra-molecular C-H⋯O hydrogen bond generates an S(6) ring motif. In the crystal structure, neighbouring mol-ecules are linked into chains along the a ...
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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.
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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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