The invention provides compounds of the formula (1):
or salts or tautomers thereof; wherein X
1
is N or N
+
(O
−
); X
2
is N or CH; Q is a C
1-3
alkylene group; R
1
is selected from hydrogen, C
1-4
hydrocarbyl and hydroxy-C
2-4
hydrocarbyl; R
2
, R
3
and R
4
are the same or different and each is selected from hydrogen, fluorine, chlorine and methyl; Ar
1
is an optionally substituted monocyclic 5 or 6-membered aryl or heteroaryl ring containing 0, 1 or 2 heteroatom ring members selected from O, N and S, or a naphthyl ring and Ar
2
is an optionally substituted monocyclic 5 or 6-membered heteroaryl ring containing 1, 2 or 3 heteroatom ring members selected from O, N and S.
The compounds of formula (1) are inhibitors of p70S6 kinase and are useful in the treatment of proliferative diseases.
本发明提供公式(1)的化合物:或其盐或互变异构体;其中X1为N或N +(O-); X2为N或CH; Q为C1-3烷基基团; R1选择自氢,C1-4烃基和羟基-C2-4烃基; R2,R3和R4相同或不同,且每个选择自氢,
氟,
氯和甲基; Ar1为含有0、1或2个杂环环成员(选自O,N和S)的可选择取代的单环5或6成员芳基或杂芳基环,或
萘环;Ar2为含有1、2或3个杂环环成员(选自O,N和S)的可选择取代的单环5或6成员杂芳基环。公式(1)的化合物是p70S6激酶的
抑制剂,可用于治疗增生性疾病。