作者:Khaled Abouzid、Maha Abdel Hakeem、Omnya Khalil、Yosria Maklad
DOI:10.1016/j.bmc.2007.09.031
日期:2008.1
phosphodiesterase III, cAMP PDEIII inhibitors. The features of the target compounds were based on the structures of many biologically active lead compounds with cAMP phosphodiesterase III inhibiting activity such as Milrinone and others. Compounds with higher fit scores to the developed pharmacophore were synthesized namely; 6-(3-ethoxycarbonyl-4-oxo-1,4-dihydroquinolin-6-yl)-4,5-dihydro-3(2H)-pyridazinon
为了鉴定潜在的血管扩张剂-强心性先导化合物,使用由CATALYST软件开发的三维药效基团,从一组有效的环核苷酸磷酸二酯酶III(cAMP PDEIII抑制剂)中设计了三个系列的哒嗪酮。目标化合物的特征是基于许多具有cAMP磷酸二酯酶III抑制活性的具有生物活性的先导化合物的结构,例如Milrinone等。即合成了对已开发药效基团具有更高拟合得分的化合物。6-(3-乙氧基羰基-4-氧代-1,4-二氢喹啉-6-基)-4,5-二氢-3(2H)-哒嗪酮(3a和3b),6- [4-(2,6 -二取代的喹啉-4-基氨基)苯基] -4,5-二氢哒嗪-3(2H)-s(5a-f)和6- [3-(5-氰基-6-氧-4-芳基- 1,6-二氢-2-吡啶基)苯基氨基] -3(2H)哒嗪酮(8a和8b)。在兔的分离的主肺动脉上检查了新合成的化合物的血管舒张活性。与标准药物米力农相比,某些测试化合物显示出中等的血管舒张活性。