Rational design, synthesis and 2D-QSAR study of novel vasorelaxant active benzofuran-pyridine hybrids
作者:Aladdin M. Srour、Somaia S. Abd El-Karim、Dalia O. Saleh、Wafaa I. El-Eraky、Zeinab M. Nofal
DOI:10.1016/j.bmcl.2016.03.054
日期:2016.5
Reaction of 3-aryl-1-(benzofuran-2-yl)-2-propen-1-ones 3a–c with malononitrile in the presence of sufficient amount of sodium alkoxide in the corresponding alcohol proceeds in a regioselective manner to afford 2-alkoxy-4-aryl-6-(benzofuran-2-yl)-3-pyridinecarbonitriles 4–37, which also obtained by treating ylidenemalononitriles 6a–q with 2-acetylbenzofuran 1 in the presence of sufficient amount of
3-芳基-1-(苯并呋喃-2-基)-2-丙烯-1-酮3a – c与丙二腈在足够量的相应醇中存在的烷氧基钠存在下,以区域选择性方式进行反应,得到2-烷氧基-4-芳基-6-(苯并呋喃-2-基)-3- pyridinecarbonitriles 4 - 37,其也通过处理ylidenemalononitriles获得图6a - q与2- acetylbenzofuran 1在醇钠的足够量的在相应的醇的存在。使用盐酸去甲肾上腺素标准技术预收缩的大鼠离体胸主动脉环,新的化学实体显示出显着的血管舒张特性。化合物11,16,21,24和30与盐酸胺碘酮在本研究中所使用的参考标准比较显示出显着的活性。CODESSA-Pro软件正在使用获得具有统计学意义的QSAR模型,该模型描述了新合成类似物的生物活性(N = 31,n = 5,R 2 = 0.846,R 2 cv OO = 0.765,R 2 cv