Synthesis and docking studies of new 1,4-dihydropyridines containing 4-(5)-Chloro-2-ethyl-5-(4)-imidazolyl substituent as novel calcium channel agonist |
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| Authors: | Asghar Davood Ali reza Nematollahi Maryam Iman Abbas Shafiee |
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| Affiliation: | (1) Department of Medicinal Chemistry, Pharmaceutical Sciences Branch, Islamic Azad University, Tehran, Iran;(2) Department of Pharmaceutical Sciences, Faculty of Pharmacy, Mashad University of Medical Sciences, Mashad, Iran;(3) Department of Chemistry, Faculty of Pharmacy, and Pharmaceutical Sciences Research Center, Tehran University of Medical Sciences, Tehran, 14174, Iran;(4) Pharmaceutical Sciences Branch, Islamic Azad university, Tehran, Iran |
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| Abstract: | 1,4-Dihydropyridines have been recognized as calcium channel agonist. Three new analogues of Bay K8644 in which the ortho trifluromethyl phenyl group at position 4 is replaced by the 4-(5)-Chloro-2-ethyl-5-(4)-imidazolyl substituent, were designed and synthesized as calcium channel agonist. For this propose, the structures of designed compounds were drawn by HYPERCHEM program. Conformations of the compounds were optimized through semi-empirical method followed by PM3 calculation. Then the crystalin stucture of L-type calcium channel was obtained from the Protein Data Bank (PDB) server. Docking calculations were carried out using Auto-Dock.4 program. The good interaction of our 1,4-DHP derivatives showed that they can be as possible calcium channel agonist agents. Finally compounds were synthesized according to a modified Hantzsch condensation procedure. |
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| Keywords: | Calcium channel agonist Dihydropyridines Chloroimidazole Nifedipine analogues (S)Bay K 8644 |
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