Inhibition of prostaglandin synthetase by di- and triphenylethylene derivatives: a structure-activity study
作者:Jacques Gilbert、Jean Francois Miquel、Gilles Precigoux、Michel Hospital、Jean Pierre Raynaud、Francoise Michel、Andre Crastes de Paulet
DOI:10.1021/jm00359a014
日期:1983.5
known nonsteroidal antiinflammatory agents (IC50 approximately equal to 10(-6) M). Unlike the latter, these compounds are not carboxylic acids. Furthermore, in contrast to biphenyl, diphenylmethane, or unsymmetrical, alpha, alpha'-diphenylethylene PGS inhibitors, the presence of a beta-phenyl ring was an essential requirement for high potency. The best inhibitors possessed a cyanide group (acids, amides
描述了新的二苯基和三苯基乙烯衍生物的合成,以及它们的X射线分析和NMR研究,这有助于确定它们的构象。筛选超过50种抑制牛精囊微粒体中前列腺素合成酶(PGS)活性的衍生物表明,许多三苯乙烯衍生物是PGS的有效抑制剂。有几个甚至在约4 X 10(-8)M的极低浓度(IC50)下显示出明显的活性,这比大多数已知的非甾体类抗炎药的活性浓度低两个数量级(IC50大约等于10( -6)M)。与后者不同,这些化合物不是羧酸。此外,与联苯,二苯甲烷或不对称的α,α'-二苯基乙烯PGS抑制剂相反,β-苯环的存在是高效力的基本要求。最好的抑制剂具有氰化物基团(酸,酰胺和胺是较弱的抑制剂),甲氧基比α-苯环上的羟基优先于甲氧基,以及在β-苯环的对位上的卤素(F或Cl) 。这些数据提供了有关PGS结合位点性质的更多信息。