The present invention relates to uses of the compounds of Formula I as well as pharmaceutically acceptable salts and stereoisomers thereof in methods to treat a variety of tumors in mammals involving abnormal tyrosine kinase signalling, the compounds represented as:
wherein R
1
and R
2
are independently selected from the group consisting of H; alkyl; alkenyl; alkynyl; halogen; aryl; heteroaryl containing N, O, or S; the aryl and heteroaryl may be further substituted with halogen, an alkyl, alkenyl, and alkynyl; NZ
1
Z
2
, wherein Z
1
and Z
2
are independently selected from the group consisting of H and alkyl; and (CO)Y wherein Y is selected from the group consisting of H, alkyl, alkenyl, alkynyl, aryl, heteroaryl containing N, O, or S, and the aryl and heteroaryl may be further substituted with halogen, alkyl, alkenyl, and alkynyl; with the proviso that when R
1
is hydrogen, R
2
is a group other than hydrogen.
本发明涉及使用式I化合物及其药学上可接受的盐和立体异构体来治疗哺乳动物中涉及异常
酪氨酸激酶信号的各种肿瘤,所述化合物表示为:其中R1和R2独立地选自以下组:H;烷基;烯基;炔基;卤素;芳基;含N、O或S的杂环芳基;芳基和杂环芳基可以进一步取代卤素、烷基、烯基和炔基;NZ1Z2,其中Z1和Z2独立地选自以下组:H和烷基;以及(CO)Y,其中Y选自以下组:H、烷基、烯基、炔基、芳基、含N、O或S的杂环芳基,芳基和杂环芳基可以进一步取代卤素、烷基、烯基和炔基;但是当R1为氢时,R2为非氢基团。