申请人:SUMITOMO CHEMICAL COMPANY, LIMITED
公开号:US20160221948A1
公开(公告)日:2016-08-04
The present invention provides a compound represented by the following formula (I) or its pharmaceutically acceptable salt:
[wherein, R
1
represents optionally substituted C
1-4
alkyl, n shows integer of 1 to 4, R
2
represents optionally substituted C
1-4
alkyl or hydrogen atom, R
3
represents optionally substituted C
1-4
alkyl, R
4a
, R
4b
, R
4c
, and R
4d
, similarly or differently, represent optionally substituted C
6-14
aryl, optionally substituted C
1-4
alkyl, or hydrogen atom and the like, A represents optionally substituted C
6-14
aryl or optionally substituted 5 to 11 membered heteroaryl].
本发明提供了一种由下式(I)表示的化合物或其药用可接受的盐:
[其中,R1表示可选地取代的C1-4烷基,n表示1到4的整数,R2表示可选地取代的C1-4烷基或氢原子,R3表示可选地取代的C1-4烷基,R4a、R4b、R4c和R4d,相同或不同,表示可选地取代的C6-14芳基,可选地取代的C1-4烷基,或氢原子等,A表示可选地取代的C6-14芳基或可选地取代的5至11成员的杂芳基]。