Synthesis and Evaluation of 1-Arylsulfonyl-3-piperazinone Derivatives as Factor Xa Inhibitors IV. A Series of New Derivatives Containing a Spiro[5H-oxazolo[3,2-a]pyrazine-2(3H),4'-piperidin]-5-one Skeleton
作者:Hidemitsu Nishida、Takafumi Mukaihira、Fumihiko Saitoh、Kousuke Harada、Miyuki Fukui、Tomokazu Matsusue、Atsushi Okamoto、Yoshitaka Hosaka、Miwa Matsumoto、Ikuya Shiromizu、Shuhei Ohnishi、Hidenori Mochizuki
DOI:10.1248/cpb.52.406
日期:——
of factor Xa (FXa) inhibitor in an investigation involving the synthesis of 1-arylsulfonyl-3-piperazinone derivatives, we found new compounds containing a unique spiro skeleton. Among such compounds, (-)-7-[(6-chloro-2-naphthalenyl)sulfonyl]tetrahydro-8a-(methoxymethyl)-1'-(4-pyridinyl)-spiro[5H-oxazolo[3,2-a]pyrazine-2(3H),4'-piperidin]-5-one (28, M55529) had activity more favorable than those of previously
在涉及合成1-芳基磺酰基-3-哌嗪酮衍生物的研究中,在开发Xa因子(FXa)抑制剂的过程中,我们发现了含有独特螺旋骨架的新化合物。在这些化合物中,(-)-7-[(6-氯-2-萘基)磺酰基]四氢-8a-(甲氧基甲基)-1'-(4-吡啶基)-螺[5H-恶唑并[3,2-a] ] pyrazine-2(3H),4'-piperidin] -5-one(28,M55529)的活性比以前报道的化合物更好。M55529对FXa的抑制活性为IC(50)= 2 nM,对FXa的选择性比凝血酶和胰蛋白酶高。