Orally active CCR5 antagonists as anti-HIV-1 agents. Part 3: Synthesis and biological activities of 1-benzazepine derivatives containing a sulfoxide moiety
作者:Masaki Seto、Naoki Miyamoto、Katsuji Aikawa、Yoshio Aramaki、Naoyuki Kanzaki、Yuji Iizawa、Masanori Baba、Mitsuru Shiraishi
DOI:10.1016/j.bmc.2004.10.021
日期:2005.1
In order to develop orally active CCR5 antagonists, 1-propyl- or 1-isobutyl-1-benzazepine derivatives containing a sulfoxide moiety have been designed, synthesized, and evaluated for their biological activities. Sulfoxide compounds containing a 2-pyridyl group were first investigated, which led to discovering that the presence of a methylene group between the sulfoxide moiety and 2-pyridyl group was
为了开发口服活性CCR5拮抗剂,已经设计,合成并评估了含有亚砜部分的1-丙基-或1-异丁基-1-苯并ze庚因的生物学活性。首先研究了含有2-吡啶基的亚砜化合物,这导致发现在结合测定中亚砜部分和2-吡啶基之间存在亚甲基对于增加抑制活性是必需的。在进一步化学修饰之后,发现在结合测定中用咪唑基或1,2,4-三唑基取代吡啶基增强了活性,并且S-亚砜化合物比R-异构体更具活性。特别地,化合物(S)-4r,(S)-4s和(S)-4w表现出高度有效的CCR5拮抗活性(IC50 = 1.9、1.7、1.6 nM,分别在HIV-1包膜介导的膜融合测定中获得抑制作用(分别为IC50 = 1.0、2.8 nM和7.7 nM),并在大鼠中具有良好的药代动力学特性。此外,我们通过钛-(S)-(-)-1,1'-bi-2-萘酚配合物的不对称氧化建立了(S)-4r和(S)-4w的合成。