NOVEL INDOLE OR INDAZOLE DERIVATIVE OR SALT THEREOF
申请人:Kitade Makoto
公开号:US20130289072A1
公开(公告)日:2013-10-31
The present invention relates to provision of a novel indazole compound which is capable of inhibiting HSP90 and shows a cytostatic effect on cancer cells. The present invention also relates to provision of a drug useful for preventing and/or treating, on the basis of an HSP90 inhibitory effect, a disease in which HSP90 participates, in particular, cancer. A compound represented by the general formula (I) or a salt thereof:
wherein
X represents CH or N;
any one or two of Y
1
, Y
2
, Y
3
, and Y
4
represent C—R
3
or N, and the others represent CH;
A and B are the same or different and represent an optionally substituted monocyclic unsaturated heterocyclic group having 1 to 4 heteroatoms selected from N, S, and O;
R
1
represents a hydrogen atom, an optionally substituted alkyl group having 1 to 6 carbon atoms etc.;
R
2
represents a hydrogen atom, a halogen atom etc.;
R
3
represents a hydrogen atom, a halogen atom etc.;
R
4
and R
5
are the same or different and represent a hydroxyl group etc.;
R
6
and R
7
are the same or different and represent a hydrogen atom, an alkyl group having 1 to 6 carbon atoms etc.; and
R
8
represents an optionally substituted cycloalkyl group having 3 to 7 carbon atoms etc.