Diethyl 4-(4-ethoxy­phen­yl)-2,6-dimethyl-1,4-dihydro­pyridine-3,5-dicarboxyl­ate

نویسندگان

  • Hoong-Kun Fun
  • Jia Hao Goh
  • B. Palakshi Reddy
  • S. Sarveswari
  • V. Vijayakumar
چکیده

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 axis by N-H⋯O hydrogen bonds and the chains are inter-connected into two-dimensional networks parallel to the ab plane by C-H⋯O hydrogen bonds. The structure is further stabilized by weak C-H⋯π inter-actions.

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منابع مشابه

Diethyl 2,6-dimethyl-4-[5-(4-methyl­phen­yl)-1H-pyrazol-4-yl]-1,4-dihydro­pyridine-3,5-dicarboxyl­ate

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Diethyl 2,6-dimethyl-4-(4-pyrid­yl)-1,4-dihydro­pyridine-3,5-dicarboxyl­ate

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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Dimethyl 4-(4-ethoxy­phen­yl)-2,6-dimethyl-1,4-dihydro­pyridine-3,5-dicarboxyl­ate

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.

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Diethyl 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.

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عنوان ژورنال:

دوره 65  شماره 

صفحات  -

تاریخ انتشار 2009