Synthesis,Characterization, Crystal and Molecular Structure Analysis of 2,6-Dimethyl-3-Acetyl-5-Carbomethoxy-4-Phenyl-1,4-Dihydropyridine |
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Authors: | Amit Trivedi Neetha S Gowda Yogesh Naliapara M A Sridhar J Shashidhara Prasad Anamik Shah |
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Institution: | (1) Department of Chemistry, Saurashtra University, Rajkot, 360 005, India;(2) Department of Physics, University of Mysore, Mysore, 570 006, India; |
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Abstract: | Abstract The synthesis of a novel unsymmetrical dihydropyridine, bearing carboxy methyl and carbomethoxy groups at C(3) and C(5), respectively,
has been achieved by applying the modified Hantzsch-type condensation, which involves the Michael addition of Knoevenagel
adduct with an enamine. The product obtained was characterized by spectroscopic techniques and finally confirmed by X-ray
diffraction studies. The title compound C17H19NO3 crystallizes in Monoclinic crystal class in space group P21/c with cell parameters a = 9.9130(12) ?, b = 7.3320(5) ?, c = 22.018(3) ?, β = 109.637(3)°, V = 1507.2(3) ?3 and Z = 4. The final residual factor R
1 = 0.0642. The structure exhibits both intra and inter-molecular hydrogen bonding of the type C–H···O and N–H···O. The pyridine
ring gives boat conformation. |
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Keywords: | |
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