ACYLPHENYLGLYCINE DERIVATIVE AND PREVENTIVE AND REMEDY FOR DISEASES CAUSED BY INCREASED COLLAGENASE ACTIVITY CONTAINING SAID COMPOUND AS ACTIVE INGREDIENT

摘要

An acylphenylglycine derivative represented by general formula (I) or a pharmaceutically acceptable salt thereof, and a preventive and remedy for diseases caused by an increased collagenase activity containing the same as the active ingredient, wherein R<1> represents hydrogen atom, methyl, methylaminomethyl or morpholinomethyl; R<2> represents hydrogen atom, hydroxy, fluorine atom, or C1-C4 linear or branched alkyl; and R<3> represents C1-C4 linear or branched alkyl. The compound (I) and the salt maintains a potent collagenase inhibitor activity in the blood for long after being administered, and are useful as a remedy for various diseases believed to be caused by an increased collagenase activity. <CHEM> <IMAGE>