Tricyclic 4,4-dimethyl-3,4-dihydrochromeno[3,4- d ]imidazole derivatives as microsomal prostaglandin E 2 synthase-1 (mPGES-1) inhibitors: SAR and in vivo efficacy in hyperalgesia pain model
作者:Nagarajan Muthukaman、Macchindra Tambe、Mahamadhanif Shaikh、Dnyandeo Pisal、Sanjay Deshmukh、Shital Tondlekar、Neelam Sarode、Lakshminarayana Narayana、Jitendra M. Gajera、Vidya G. Kattige、Srinivasa Honnegowda、Vikas Karande、Abhay Kulkarni、Dayanidhi Behera、Satyawan B. Jadhav、Girish S. Gudi、Neelima Khairatkar-Joshi、Laxmikant A. Gharat
DOI:10.1016/j.bmcl.2017.03.068
日期:2017.6
relationship (SAR) optimization provided inhibitors with excellent mPGES-1 potency and low to moderate PGE2 release A549 cell potency. Among the mPGES-1 inhibitors studied, 7, 9 and 11l provided excellent selectivity over COX-2 (>200-fold) and >70-fold selectivity for COX-1 except 11l, which exhibited dual mPGES-1/COX-1 activity. Furthermore, the above tested mPGES-1 inhibitors demonstrated good metabolic
已经合成了一系列取代的三环的4,4-二甲基-3,4-二氢色素[3,4-d]咪唑衍生物,并且已经详细公开了它们的mPGES-1生物学活性。结构-活性关系(SAR)优化为抑制剂提供了出色的mPGES-1效能和低至中等的PGE2释放A549细胞效能。在研究的mPGES-1抑制剂中,除11l表现出双重mPGES-1 / COX-1活性外,7、9和11l对COX-2的选择性极好(> 200倍),对COX-1的选择性高70倍以上。 。此外,以上测试的mPGES-1抑制剂在肝微粒体中表现出良好的代谢稳定性,在血浆中的高蛋白结合(PPB)高,并且在临床相关的CYP亚型中未观察到明显的抑制作用。除了,选定的mPGES-1工具化合物9和11l提供了良好的体内药代动力学特征和口服生物利用度(%F = 33和85)。另外,代表性的mPGES-1工具化合物9和11l在LPS诱导的热痛觉过敏豚鼠疼痛模型中显示出中等的体内功效。