Phenylacetic acid regioisomers possessing a N-difluoromethyl-1,2-dihydropyrid-2-one pharmacophore: Evaluation as dual inhibitors of cyclooxygenases and 5-lipoxygenase with anti-inflammatory activity
作者:Gang Yu、Morshed A. Chowdhury、Khaled R.A. Abdellatif、Ying Dong、P.N. Praveen Rao、Dipankar Das、Carlos A. Velázquez、Mavanur R. Suresh、Edward E. Knaus
DOI:10.1016/j.bmcl.2009.12.073
日期:2010.2
A novel class of phenylacetic acid regioisomers possessing a N-difluoromethyl-1,2-dihydropyrid-2-one pharmacophore attached to its C-2, C-3 or C-4 position was designed for evaluation as anti-inflammatory (AI) agents. A number of compounds exhibited a combination of potent in vitro cyclooxygenase-2 (COX-2) and 5-lipoxygenase (5-LOX) inhibitory activities. 2-(1-Difluoromethyl-2-oxo-1,2-dihydropyrid
设计具有一类N-二氟甲基-1,2-二氢吡啶-2-酮药效团并连接到其C-2,C-3或C-4位置的新型苯乙酸区域异构体,以评估其是否为抗炎药(AI) 。许多化合物表现出强大的体外环氧合酶2(COX-2)和5-脂氧合酶(5-LOX)抑制活性的组合。在这组化合物中,2-(1-二氟甲基-2-氧代-1,2-二氢吡啶基-4-基)苯基乙酸(9a)发挥了最有效的AI活性。分子建模研究表明,Ñ二氟甲基-1,2-二氢-酮2部分出现在图9a插入到次级口袋存在于COX-2的以赋予COX-2的选择性,并且该Ñ-二氟甲基-1,2-二氢吡啶-2-酮基(9a)结合在含有催化铁的15-LOX酶的区域附近(His361,His366)。因此,N-二氟甲基-1,2-二吡啶并-2-酮部分具有使其成为适合设计双重COX-2 / 5-LOX抑制性AI药物的有吸引力的药效团的特性。