Provided is a novel bicyclic compound which has an HSP90 inhibitory effect and a carcinostatic effect. Also provided is a pharmaceutical agent which is based on the HSP90 inhibitory effect and is useful in the prevention and/or treatment of a disease involving HSP90, particularly, cancer. The present invention provides a compound represented by the following general formula (I) or a salt thereof wherein at least one of X
1
, X
2
, X
3
, and X
4
represents N or N-oxide and the rest thereof are the same or different and each represent C—R
2
;
any one or two of Y
1
, Y
2
, Y
3
, and Y
4
represent C—R
4
and the rest thereof are the same or different and each represent CH or N;
R
1
represents an optionally substituted monocyclic or bicyclic unsaturated heterocyclic group having 1 to 4 heteroatoms selected from N, S, and O;
R
2
represents a hydrogen atom, an optionally substituted alkyl group having 1 to 6 carbon atoms etc.;
R
3
represents a hydrogen atom, —CO—R
5
etc.;
R
4
represents a hydrogen atom, —CO—R
6
, —N(R
7
)(R
8
) etc.;
R
5
represents a hydroxyl group, an amino group etc.;
R
6
represents a hydroxyl group etc.;
R
7
and R
8
are the same or different and each represent a hydrogen atom, an optionally substituted alkyl group having 1 to 6 carbon atoms etc.; and R
9
represents an optionally substituted cycloalkyl group having 3 to 7 carbon atoms etc.
A novel bicyclic compound having an HSP90 inhibitory effect and a carcinostatic effect. A pharmaceutical agent based on the HSP90 inhibitory effect and useful in the prevention and/or treatment of a disease involving HSP90, particularly cancer. The compound has a general formula (I) or is a salt thereof wherein at least one of X1, X2, X3, and X4 represents N or N-oxide and the rest thereof are each independently C—R2; any one or two of Y1, Y2, Y3, and Y4 represent C—R4 and the rest thereof are each independently CH or N; R1 represents an optionally substituted monocyclic or bicyclic unsaturated heterocyclic group having 1 to 4 heteroatoms selected from N, S, and O; R2 represents a hydrogen atom, an optionally substituted alkyl group having 1 to 6 carbon atoms etc.; R3 represents a hydrogen atom, —CO—R5 etc.
SUBSTITUTED HETEROCYCLIC FUSED CYCLIC COMPOUND, PREPARATION METHOD THEREFOR AND PHARMACEUTICAL USE THEREOF
申请人:Genfleet Therapeutics (Shanghai) Inc.
公开号:EP4053118A1
公开(公告)日:2022-09-07
A substituted heterocyclic fused cyclic compound as represented by formula (I) or formula (IA) and having a selective inhibitory effect on KRAS gene mutation, or a pharmaceutically-acceptable salt, a stereoisomer, a solvate or a prodrug thereof, a pharmaceutical composition containing the compound, and an application thereof in preparation of cancer drugs.