Synthesis and evaluation of quinazoline amino acid derivatives as mono amine oxidase (MAO) inhibitors
作者:Sherine Nabil Khattab、Nesreen Saied Haiba、Ahmed Mosaad Asal、Adnan A. Bekhit、Adel Amer、Hamdy M. Abdel-Rahman、Ayman El-Faham
DOI:10.1016/j.bmc.2015.04.021
日期:2015.7
A series of quinazolinone amino acid ester and quinazolinone amino acid hydrazides were prepared under microwave irradiation as well as conventional condition. The microwave irradiation afforded the product in less reaction time, higher yield and purity. The structures of the synthesized compounds were confirmed by IR, NMR, and elemental analysis. The new synthesized compounds were studied for their
在微波辐射和常规条件下制备了一系列喹唑啉酮氨基酸酯和喹唑啉酮氨基酸酰肼。微波辐射以更少的反应时间,更高的产率和纯度提供了产物。合成的化合物的结构通过IR,NMR和元素分析确认。研究了新合成的化合物的单胺氧化酶抑制活性。他们表现出比MAO-B更多的针对MAO-A的选择性抑制活性。化合物7,10,和15表明MAO-A抑制活性(IC 50 = 3.6×10 -9,2.8×10 -9,2.1×10 -9M分别)可与标准柱状线(IC 50 = 2.9×10 -9 M)相比。2-(2-(苯并[d] [1,3]二氧杂-5-基)-4-氧-1,2-二氢喹唑啉-3(4H)-基)乙酰肼15显示出选择性的MAO-A抑制活性(SI = 39524)优于标准clorgyline(SI = 33793)。测定了合成化合物的急性毒性。另外,进行了计算机辅助的模拟对接实验以合理化生物活性。