The present invention provides a condensed furan compound of the formula (I):
wherein Ring X is benzene, pyridine, or the like; Y is an optionally substituted amino, an optionally substituted cycloalkyl, an optionally substituted aryl, an optionally substituted saturated heterocyclic group, an optionally substituted unsaturated heterocyclic group; A is a single bond, lower alkylene, lower alkenylidene, lower alkenylene or an oxygen atom; R
3
is hydrogen or the like; and, R
4
is hydrogen, or the like, or pharmaceutically acceptable salts thereof, which is useful as a medicament, particularly, as an activated blood coagulation factor X inhibitor.
The present invention provides a benzofuran derivative of the formula [1]:
wherein x is a group of the formula: —N═ or —CH═; Y is an optionally substituted amino group, an optionally substituted cycloalkyl group or an optionally substituted saturated heterocyclic group; A is a single bond, a carbon chain optionally having a double bond within or at the end(s) of the chain, or an oxygen atom; R
1
is a hydrogen atom or a halogen atom; Ring B is an optionally substituted benzene ring; and R
3
is a hydrogen atom, or a pharmaceutically acceptable salt thereof, which is useful as a medicament, especially as an activated blood coagulation factor X inhibitor.
Process for producing 3-acylaminobenzofuran-2-carboxylic acid derivative
申请人:Seki Masahiko
公开号:US20060173188A1
公开(公告)日:2006-08-03
The present invention provides a process of preparing a compound of the formula [I]:
wherein X is a group of the formula: —N═ or —CH═; R
1
is a hydrogen atom, a halogen atom, a lower alkyl group, a lower alkoxy group, a cyano group or an amino group optionally substituted by a lower alkyl group; Ring A is a nitrogen-containing heterocyclic group; Ring B is an optionally substituted benzene ring or an optionally substituted pyridine ring; and R
3
is a hydrogen atom or a lower alkyl group, or a pharmaceutically acceptable salt thereof, which is useful as an inhibitor of activated blood coagulation factor X.
PROCESS FOR PREPARING 3-ACYLAMINOBENZOFURAN-2-CARBOXYLIC ACID DERIVATIVE
申请人:SEKI Masahiko
公开号:US20090023918A1
公开(公告)日:2009-01-22
The present invention provides a process of preparing a compound of the formula [I]:
wherein X is a group of the formula: —N═ or —CH═; R
1
is a hydrogen atom, a halogen atom, a lower alkyl group, a lower alkoxy group, a cyano group or an amino group optionally substituted by a lower alkyl group; Ring A is a nitrogen-containing heterocyclic group; Ring B is an optionally substituted benzene ring or an optionally substituted pyridine ring; and R
3
is a hydrogen atom or a lower alkyl group, or a pharmaceutically acceptable salt thereof, which is useful as an inhibitor of activated blood coagulation factor X.
The present invention provides an amide-type carboxamide derivative of the formula [1]:
wherein X is a group of the formula: —N═ or the formula: —CH═; R
1
is a halogen atom, a lower alkyl group, and the like; R
2
is a group of the formula:
and the like; Y
1
and Y
2
are the same or different and each is a group selected from a halogen atom, a lower alkyl group, a lower alkoxy group, and the like; Ring A is phenyl group, and the like, or a pharmaceutically acceptable salt thereof, which is useful as an inhibitor of FXa.