Discovery of R-142086 as a Factor Xa (FXa) Inhibitor: Syntheses and Structure-Activity Relationships of Cinnamyl Derivatives
作者:Tetsuji Noguchi、Naoki Tanaka、Toyoki Nishimata、Riki Goto、Miho Hayakawa、Atsuhiro Sugidachi、Taketoshi Ogawa、Yoichi Niitsu、Fumitoshi Asai、Tomoko Ishizuka、Koichi Fujimoto
DOI:10.1248/cpb.57.22
日期:——
To develop a novel and effective anticoagulant with potent and selective factor Xa (FXa) inhibitory activity, a new series of cinnamyl derivatives with enhanced lipophilicity and prodrug forms were synthesized and their biological activities were evaluated. As a result, we found that cinnamyl derivative (N-4-[1-(acetimidoyl)piperidin-4-yloxy]-3-carbamoylphenyl}-N-[(Z)-3-(3-amidinophenyl)-2-fluoro-2-propenyl]sulfamoyl)acetic acid dihydrochloride (26d, R-142086) with a fluorine atom on the double bond exhibited potent anticoagulant activity and no mutagenic potential. Moreover, orally administered R-142086 exhibited potent anti-FXa activity and anticoagulant activity in dogs.
为了开发一种新型有效的抗凝药物,具备强效且选择性的Xa因子(FXa)抑制活性,我们合成了一系列具有增强亲脂性和前药形式的肉桂基衍生物,并对它们的生物活性进行了评估。结果发现,带有氟原子在双键上的肉桂基衍生物(N-4-[1-(乙酰亚胺基)哌啶-4-基氧]-3-羧酰胺苯基}-N-[(Z)-3-(3-氨基酰苯基)-2-氟-2-丙烯基]磺胺酰)乙酸二盐酸盐(26d,R-142086)表现出强大的抗凝活性且无致突变潜力。此外,经口给予的R-142086在犬只中展现了强力的抗FXa活性和抗凝活性。