Regioselective synthesis, biological evaluation, and molecular docking of dihydropyrimidin-4-ols as acetylcholinesterase inhibitors
作者:Andreia M. P. W. da Silva、Fabio M. da Silva、Pablo A. Nogara、Eduardo J. M. Dutra、Jonas D. S. Serres、Rogério A. Saraiva、Bruna C. Piccoli、Cláudia S. Oliveira、Maria R. C. Schetinger、Vera M. M. Morsch、João B. T. Rocha、Helio G. Bonacorso、Marcos A. P. Martins、Nilo Zanatta
DOI:10.1111/cbdd.13036
日期:2017.12
displaying methyl, phenyl, aryl, and heteroaryl groups at the 6-position; and methyl, ethyl, allyl, and phenyl groups at the 3-position of the dihydropyrimidine ring, were synthesized and evaluated in vitro for acetylcholinesterase inhibitory activity. Seven compounds showed activity with IC50 values in the lower micromolar range. The compound 4-trifluoromethyl-6-(4-fluorophenyl)-3-methyl-2-methylthio-3,4-d
新的3,6-二取代的2-(甲硫基)-4-(三氟甲基)-3,4-二氢嘧啶-4-醇系列在6-位显示甲基,苯基,芳基和杂芳基;合成了二氢嘧啶环的3-位上的甲基,乙基,烯丙基和苯基,并在体外评估了其对乙酰胆碱酯酶的抑制活性。七个化合物在较低的微摩尔范围内显示出IC 50值的活性。的化合物为4-三氟甲基-6-(4-氟苯基)-3-甲基-2-甲硫基-3,4-二氢嘧啶-4-醇(6E)具有最好的抑制活性(IC 50 2.2±0.9μ米),并且这抑制被表征为竞争性的。分子对接研究表明,乙酰胆碱酯酶可容纳化合物6e在其催化部位。化合物6e的对映异构体表现出相似的相互作用:配体4-氟苯基部分的芳环与富电子的Trp84的芳环之间的π-π堆积相互作用;Tyr121的羟基与6e的羟基之间形成氢键。还研究了二氢嘧啶-4-醇的抗氧化作用。