890315-83-0Relevant articles and documents
NOVEL ANTHRANILIC ACID DERIVATIVE OR SALT THEREOF
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Page/Page column 62-63, (2008/06/13)
An anthranilic acid derivative represented by the general formula (X) [wherein R1 represents hydrogen or a carboxy-protecting group; R2 represents optionally substituted phenyl, a heterocyclic group, etc.; R3 represents optionally substituted phenyl, a monocyclic heterocyclic group, etc.; X1 represents carbonyl, etc.; X2 represents optionally substituted alkylene, a bond, etc.; X3 represents oxygen, a bond, etc.; and X4 represents a group represented by the general formula -X5-X6- or -X6-X5- (wherein X5 means oxygen, a bond, etc.; and X6 means optionally substituted alkylene, a bond, etc.)] or a salt of the derivative. The derivative or salt has an MMP-13 production inhibitory activity and is hence useful as a therapeutic agent for articular rheumatisum, osteoarthritis, cancer, etc.