作者:Tetsuji Noguchi、Naoki Tanaka、Toyoki Nishimata、Riki Goto、Miho Hayakawa、Atsuhiro Sugidachi、Taketoshi Ogawa、Fumitoshi Asai、Koichi Fujimoto
DOI:10.1248/cpb.56.758
日期:——
To develop a potent and oral anticoagulant, a series of compounds with cinnamyl moiety was synthesized and their factor Xa (FXa) inhibitory activities were examined. As a result, some cinnamyl derivatives showed potent FXa inhibitory activities in vitro. Among them, compounds with substituent at the 3-position on the central benzene ring represented by (N-4-[1-(acetimidoyl)piperidin-4-yloxy]-3-chlorophenyl}-N-[(E)-3-(3-amidinophenyl)-2-propenyl]sulfamoyl)acetic acid dihydrochloride (45b) and (N-4-[1-(acetimidoyl)piperidin-4-yloxy]-3-carbamoylphenyl}-N-[(E)-3-(3-amidinophenyl)-2-propenyl]sulfamoyl)acetic acid dihydrochloride (45j) exhibited potent FXa inhibitory activities with IC50 values of less than 10 nM in vitro. These compounds also showed potent anticoagulant activities both in vitro and ex vivo. Furthermore, these compounds exhibited no lethal toxicity (30 mg/kg, i.v.).
为了开发一种强效且可通过口服给药的抗凝剂,合成了一系列含有肉桂基部分的化合物,并检测了它们对因子Xa (FXa)的抑制活性。结果显示,一些肉桂基衍生物具有强效的FXa体外抑制活性。在这些化合物中,含有取代基位于中心苯环3-位的化合物,如(N-4-[1-(乙酰亚胺基)哌啶-4-氧基]-3-氯苯基}-N-[(E)-3-(3-氨基苯基)-2-丙烯基]磺酰胺)乙酸二盐酸盐(45b)和(N-4-[1-(乙酰亚胺基)哌啶-4-氧基]-3-羧酰胺苯基}-N-[(E)-3-(3-氨基苯基)-2-丙烯基]磺酰胺)乙酸二盐酸盐(45j),表现出强效的FXa抑制活性,其IC50值在体外小于10 nM。这些化合物在体外和体外实验中均显示出强效的抗凝活性。此外,这些化合物没有致命毒性(30 mg/kg,静脉注射)。