申请人:Lu Canzhong
公开号:US20140221402A1
公开(公告)日:2014-08-07
This invention provides a class of quinazoline compounds, as represented by formula (I), and their pharmaceutically acceptable salts,
wherein: each of R
1
and R
2
independently, is selected from H, C
1
-C
6
alkoxy, halo-C
1
-C
6
alkoxy, C
1
-C
6
-alkoxy-C
1
-C
6
alkoxy, C
3
-C
8
cycloalkoxy, C
3
-C
8
heterocycloalkoxy containing at least one of heteroatoms selected from N, O, S; Z is —NR
4
—, C(R
5
)
2
, S or —O—, wherein R
4
is H or C
1
-C
3
alkyl, R
5
is the same or different, selected from H or C
1
-C
3
alkyl; R
3
is selected from H, halogen, C
1
-C
6
alkyl, C
1
-C
6
alkoxy or halo-C
1
-C
6
alkyl; n is an integer from 0 to 5. This invention also provides methods of preparation and medical uses of the compounds of formula (I) and their pharmaceutically acceptable salts. These compounds have the activity of inhibiting EGFR-TK, and can be used as drugs for the treatment of protein tyrosine kinase related diseases such as tumours, cancers, etc.
这项发明提供了一类喹唑啉化合物,如式(I)所代表的,以及它们的药用盐,其中:R1和R2中的每一个独立地选择自H、C1-C6烷氧基、卤代-C1-C6烷氧基、C1-C6-烷氧基-C1-C6烷氧基、C3-C8环烷氧基、含有N、O、S等杂原子中至少一个的C3-C8杂环烷氧基;Z为—NR4—、C(R5)2、S或—O—,其中R4为H或C1-C3烷基,R5相同或不同,选择自H或C1-C3烷基;R3选择自H、卤素、C1-C6烷基、C1-C6烷氧基或卤代-C1-C6烷基;n为0到5的整数。这项发明还提供了制备方法和医药用途的化合物的药用盐。这些化合物具有抑制EGFR-TK的活性,并可用作治疗与蛋白酪氨酸激酶相关疾病(如肿瘤、癌症等)的药物。