申请人:Lu Canzhong
公开号:US20150080416A1
公开(公告)日:2015-03-19
This invention provides thieno[2,3-d]pyrimidine derivatives containing isoxazole heterocycle represented by formula (I), or pharmaceutically acceptable salts thereof
Wherein: R
1
and R
2
may be the same or different and is independently to each other selected from H, C
1-6
alkyl, C
1-6
alkoxy, halo-C
1-6
alkyl or halo-C
1-6
alkoxy, aryl group optionally substituted by R
7
or heteroaryl group optionally substituted by R
8
; or R
1
and R
2
together with the carbon atoms to which they are attached, may form a 4- to 6-membered carbocyclic ring or heterocyclic ring; said carbocyclic ring or heterocyclic ring is optionally substituted by H, C
1-6
alkyl, halogen, nitro, or amino; said heterocyclic ring contains at least one heteroatom selected from N, O or S; Z is —NR
6
—, C(R
6
)
2
, —S— or —O—, in which R
5
is H or C
1-6
alkyl, and R
6
is the same or different, selected from H, C
1-6
alkyl or hydroxyl substituted C
1-6
alkyl; R
3
is selected from H, halogen, C
1-6
alkyl, C
1-6
alkoxy, halo-C
1-6
alkyl or halo-C
1-6
alkoxy; n is an integer of 0-5; R
4
is selected from H, C
1-6
alkyl, C
1-6
alkoxy or halo-C
1-6
alkyl, aryl group optionally substituted by R
9
, or heteroaryl group optionally substituted by R
10
; R
7
, R
8
, R
9
or R
10
independently to each other, is selected from H, hydroxy, mercapto, cyano, amino, nitro, halogen, C
1-6
alkyl, C
1-6
alkoxy, C
1-6
alkylthio, carboxy, halo-C
1-6
alkyl or halo-C
1-6
alkoxy. This invention also provides the preparation method and medicinal uses of the compounds of formula (I) and pharmaceutically acceptable salts thereof. and this class of compounds can be used as medicants or lead compounds for the treatment of diseases such as tumors, cancers.
本发明提供了含有异噁唑杂环的噻吩[2,3-d]嘧啶衍生物,其化学式为(I),或其药学上可接受的盐。其中:R1和R2可能相同或不同,且分别独立地选自H、C1-6烷基、C1-6烷氧基、卤代C1-6烷基或卤代C1-6烷氧基、芳基(可选地被R7取代)或杂环芳基(可选地被R8取代);或者R1和R2连同它们所连接的碳原子,可能形成4-6成员的碳环或杂环;所述碳环或杂环可选地被H、C1-6烷基、卤素、硝基或氨基取代;所述杂环含有至少一个选自N、O或S的杂原子;Z为—NR6—、C(R6)2、—S—或—O—,其中R5为H或C1-6烷基,R6为相同或不同,选自H、C1-6烷基或羟基取代的C1-6烷基;R3选自H、卤素、C1-6烷基、C1-6烷氧基、卤代C1-6烷基或卤代C1-6烷氧基;n为0-5的整数;R4选自H、C1-6烷基、C1-6烷氧基或卤代C1-6烷基、芳基(可选地被R9取代)或杂环芳基(可选地被R10取代);R7、R8、R9或R10相互独立地选自H、羟基、巯基、氰基、氨基、硝基、卤素、C1-6烷基、C1-6烷氧基、C1-6烷硫基、羧基、卤代C1-6烷基或卤代C1-6烷氧基。本发明还提供了化合物(I)及其药学上可接受的盐的制备方法和药用用途。这类化合物可用作药物或治疗肿瘤、癌症等疾病的先导化合物。