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.sup.1 represents hydrogen atom, methyl, methylaminomethyl or morpholinomethyl; R.sup.2 represents hydrogen atom, hydroxy, fluorine atom, or C.sub.1 -C.sub.4 linear or branched alkyl; and R.sup.3 represents C.sub.1 -C.sub.4 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. ##STR1##
一种由通式(I)表示的酰基苯基甘
氨酸衍
生物或其药学上可接受的盐,以及包含其作为活性成分的由增加
胶原酶活性引起的疾病的预防和治疗剂。其中,R.sup.1代表氢原子、甲基、甲基
氨甲基或吗啉基甲基;R.sup.2代表氢原子、羟基、
氟原子或C.sub.1-C.sub.4线性或支链烷基;R.sup.3代表C.sub.1-C.sub.4线性或支链烷基。该化合物(I)和盐在被给予后在血液中保持强大的
胶原酶抑制剂活性,并且可用作治疗由增加
胶原酶活性引起的各种疾病的治疗剂。