3-benzyl 5-methyl 2,6-dimethyl-4-(3-nitrophenyl)-1,4-dihydropyridine-3,5-dicarboxylate 、 乙醇 以
吡啶 为溶剂,
反应 10.0h,
以Analogously to Example 1 heating a solution of 75 mmols of 3'-nitrobenzylideneacetoacetic acid methyl ester and 75 mmols of β-aminocrotonic acid benzyl ester in 120 ml of pyridine for 10 hours gave 2,6-dimethyl-3-methoxycarbonyl-4-(3'-nitrophenyl)-1,4-dihydropyridine-5-carboxylic acid benzyl ester of melting point 133° C (from ethanol)的产率得到
Synthesis, Docking Simulation, Biological Evaluations and 3D-QSAR Study of 1,4-Dihydropyridines as Calcium Channel Blockers
作者:Tarek Fathy El-Moselhy、Peter Ayoub Sidhom、Eman Ahmed Esmat、Nageh Ahmed El-Mahdy
DOI:10.1248/cpb.c17-00186
日期:——
chelating effects of the C3 and C5 substituents. Bulky groups interfere with ring-to-ring hydrophobic interaction with tyrosine (Tyr)4311 and limit the efficiency of increasing the length of the hydrocarbon chain of esters at the 3- and 5-positions of the DHP ring as an approach to increasing the activity. The presence of a chelating substituent on the phenyl ring at the 4-position of the DHP ring ensures