771584-75-9Relevant academic research and scientific papers
Orally active factor Xa inhibitor: Synthesis and biological activity of masked amidines as prodrugs of novel 1,4-diazepane derivatives
Koshio, Hiroyuki,Hirayama, Fukushi,Ishihara, Tsukasa,Kaizawa, Hiroyuki,Shigenaga, Takeshi,Taniuchi, Yuta,Sato, Kazuo,Moritani, Yumiko,Iwatsuki, Yoshiyuki,Uemura, Toshio,Kaku, Seiji,Kawasaki, Tomihisa,Matsumoto, Yuzo,Sakamoto, Shuichi,Tsukamoto, Shin-Ichi
, p. 5415 - 5426 (2007/10/03)
To improve their anticoagulant activity after oral administration, prodrug strategy was applied to fXa inhibitors based on a 1,4-diazepane template by conversion of the amidine group into amidoxime and alkoxycarbonyloxyamidine groups. This study revealed that amidoxime prodrugs bearing an ester moiety are efficient for the expression of oral anticoagulant activity. Factor Xa (fXa) is a serine protease, which plays a pivotal role in the coagulation cascade. To improve the oral anticoagulant activity of fXa inhibitors containing a 1,4-diazepane moiety as the P4 part, a prodrug strategy was examined. Among the compounds evaluated in this study, amidoxime prodrugs bearing an ester moiety, such as compounds 21 and 30, showed effective oral anticoagulant activity in mice.
