Discovery of novel 5,6,7,8-tetrahydro[1,2,4]triazolo[4,3-a]pyridine derivatives as γ-secretase modulators
作者:Takafumi Takai、Yasutaka Hoashi、Yoshihide Tomata、Sachie Morimoto、Minoru Nakamura、Tomomichi Watanabe、Tomoko Igari、Tatsuki Koike
DOI:10.1016/j.bmcl.2015.07.101
日期:2015.10
Novel 5,6,7,8-tetrahydro[1,2,4]triazolo[4,3-a]pyridine derivatives were designed, synthesized, and evaluated as γ-secretase modulators (GSMs). An optimization study of this series resulted in the identification of (R)-11j, which showed a potent Aβ42-lowering effect, high bioavailability and good blood–brain barrier permeability in mice. Oral administration of (R)-11j significantly reduced brain Aβ42
设计,合成和评价了新型的5,6,7,8-四氢[1,2,4]三唑并[4,3- a ]吡啶衍生物,并作为γ-分泌酶调节剂(GSM)进行了评估。通过对该系列的优化研究,鉴定出了(R)-11j,它在小鼠中显示出有效的Aβ42降低作用,高生物利用度和良好的血脑屏障通透性。口服(R)-11j可以以10 mg / kg的剂量显着降低小鼠的大脑Aβ42。