名称:
3-Ethoxycarbonyl-5-methoxycarbonyl-2,6-dimethyl-4-(3-nitrophenyl)pyridinium Nitrate, Dineopentyl 2,6-Dimethyl-4-(3-nitrophenyl)pyridine-3,5-dicarboxylate and Dihexyl 2,6-Dimethyl-4-(3-nitrophenyl)pyridine-3,5-dicarboxylate
摘要:
The single-crystal X-ray structures of three oxidation products of 4-(3-nitrophenyl)-1,4-dihydropyridine, namely, 3-ethoxycarbonyl-5-methoxycarbonyl-2,6-methyl-4-(3- nitrophenyl) pyridinium nitrate, C18H19N2O6+.NO3-, dineopentyl 2,6-dimethyl-4-(3-nitrophenyl)pyridine-3,5-dicarboxylate, C25H32N2O6, and dihexyl 2,6-dimethyl-4-(3-nitrophenyl)pyridine-3, ate, C27H36N2O6, suggest that their decreased calcium-blocking activity arises from incompatibility of the phenyl ring and ester conformation with the receptor site.