申请人:Ishikawa Tomoyasu
公开号:US20100216788A1
公开(公告)日:2010-08-26
The present invention provides a compound represented by the formula:
wherein
R
1a
is a hydrogen atom,
R
2a
is a C
1-6
alkyl group substituted by a group represented by —NR
6a
—CO—(CH
2
)
n
—SO
2
— optionally halogenated C
1-4
alkyl
wherein n is an integer of 1 to 4, R
6a
is a hydrogen atom or a C
1-4
alkyl group, and —(CH
2
)
n
— is optionally substituted by C
1-4
alkyl,
R
3a
is a hydrogen atom or a C
1-6
alkyl group,
R
4a
is a halogen atom or a C
1-6
alkyl group,
R
5a
is a halogen atom or a C
1-6
alkyl group, and
X
a
is a hydrogen atom or a halogen atom,
or a salt thereof.
The compound of the present invention has a superior tyrosine kinase inhibitory action, is highly safe, and is sufficiently satisfactory as a pharmaceutical product.
本发明提供了一种化合物,其表示为以下式子:其中,R1a是氢原子,R2a是一个C1-6烷基,被一个表示为—NR6a—CO—(CH2)n—SO2—的基团取代,该基团可选地卤代C1-4烷基,其中n是1至4的整数,R6a是氢原子或C1-4烷基,—(CH2)n—可选地被C1-4烷基取代,R3a是氢原子或C1-6烷基,R4a是卤原子或C1-6烷基,R5a是卤原子或C1-6烷基,Xa是氢原子或卤原子,或其盐。本发明的化合物具有卓越的酪氨酸激酶抑制作用,高度安全,并且作为药物产品完全令人满意。