The present invention provides novel tetrasubstituted pyridine hedgehog pathway antagonists of the following formula I (I) or a pharmaceutically acceptable salt thereof, wherein: X is C—R
1
or N; R
1
is hydrogen, fluoro or cyano; R
2
is formula II (II), piperidinyl, or gem di-F-substituted cyclohexyl; R
3
is methyl or trifluoromethyl; R
4
is pyrrolidinyl, morpholinyl or pyridyl, amino or dimethylamino; R
5
is trifluoromethyl or methylsulfonyl; R
6
is hydrogen or methyl; and R
7
, R
8
, R
9
, R
10
and R
11
are independently hydrogen fluoro, cyano, chloro, methyl, trifluoromethyl, trifluoromethoxy or methylsulfonyl, provided that at least two of R
7
, R
8
, R
9
, R
10
and R
11
are hydrogen useful in the treatment of cancer.
本发明提供以下式I(I)或其药学上可接受的盐的新型四取代
吡啶刺猬途径拮抗剂,其中:X是C-R1或N;R1是氢、
氟或
氰基;R2是式II(II)、
哌啶基或双
氟取代的环己基;R3是甲基或三
氟甲基;R4是
吡咯烷基、吗啉基或
吡啶基、
氨基或二甲基
氨基;R5是三
氟甲基或甲基磺酰基;R6是氢或甲基;而R7、R8、R9、R10和R11独立地为氢、
氟、
氰、
氯、甲基、三
氟甲基、三
氟甲氧基或甲基磺酰基,但至少有两个R7、R8、R9、R10和R11为氢,有用于癌症治疗。