3-乙基-4-(3-异丙基-4-(4-(1-甲基-1 H-吡唑-4-基)-1 H-咪唑-1-基)-1 H-吡唑并[3, 4- b ]吡啶-1-基)苯甲酰胺(TAS-116)作为有效,选择性和口服的HSP90抑制剂
摘要:
分子伴侣热休克蛋白90(HSP90)是癌症治疗的有希望的目标,因为它有助于稳定与癌症相关的蛋白质,促进癌细胞的生长和存活。通过基于结构-活性关系(SAR)的具有4-(4-(喹啉-3-基)-1 H-吲哚-1-基)苯甲酰胺的初始命中化合物11a优化,发现了一系列新的HSP90抑制剂结构体。吡唑并[3,4- b ]吡啶衍生物16e(TAS-116)是HSP90家族蛋白中HSP90α和HSP90β的选择性抑制剂,在小鼠中可口服。16e类似物16d的X射线共晶体结构在N-末端ATP结合位点显示出独特的结合模式。口服16e在NCI-H1975异种移植小鼠模型中显示出有效的抗肿瘤作用,而体重没有明显减轻。
3-乙基-4-(3-异丙基-4-(4-(1-甲基-1 H-吡唑-4-基)-1 H-咪唑-1-基)-1 H-吡唑并[3, 4- b ]吡啶-1-基)苯甲酰胺(TAS-116)作为有效,选择性和口服的HSP90抑制剂
摘要:
分子伴侣热休克蛋白90(HSP90)是癌症治疗的有希望的目标,因为它有助于稳定与癌症相关的蛋白质,促进癌细胞的生长和存活。通过基于结构-活性关系(SAR)的具有4-(4-(喹啉-3-基)-1 H-吲哚-1-基)苯甲酰胺的初始命中化合物11a优化,发现了一系列新的HSP90抑制剂结构体。吡唑并[3,4- b ]吡啶衍生物16e(TAS-116)是HSP90家族蛋白中HSP90α和HSP90β的选择性抑制剂,在小鼠中可口服。16e类似物16d的X射线共晶体结构在N-末端ATP结合位点显示出独特的结合模式。口服16e在NCI-H1975异种移植小鼠模型中显示出有效的抗肿瘤作用,而体重没有明显减轻。
It is intended to provide a novel azabicyclo compound which exhibits both HSP90 inhibitory activity and cell proliferation inhibitory effect. Specifically disclosed is a compound represented by the following general formula (I) or a salt thereof: wherein X
1
represents CH or N; any one of X
2
, X
3
and X
4
represents N, and the others represent CH; any one or two of Y
1
, Y
2
, Y
3
and Y
4
represent C—R
4
, and the others are the same or different and represent CH or N; R
1
represents an optionally substituted monocyclic or bicyclic unsaturated heterocyclic group having 1 to 4 heteroatoms selected from N, S and O; R
2
represents an alkyl group having 1 to 6 carbon atoms, or the like; and R
3
and R
4
represent —CO—R
5
or the like.