申请人:Ono Pharmaceutical Co., Ltd.
公开号:US05432178A1
公开(公告)日:1995-07-11
Amidinophenol derivatives of the formula (I): ##STR1## wherein R.sup.1 and R.sup.2 are (i) H, (ii) C1-4 alkyl, (iii) C1-4 alkoxy, (iv) C2-5 acyl, (v) halogen, (vi) NO.sub.2, (vii) benzoyl, (viii) COOR.sup.4 (in which R.sup.4 is C1-3 alkyl); A is bond, C1-4 alkylene, --C(R.sup.5).dbd.C(R.sup.6)-- (in which R.sup.5 and R.sup.6 are H or C1-4 alkyl; R.sup.3 is (i) CON(R.sup.7)(R.sup.8), (ii) CON(R.sup.9)--CH(R.sup.7)(R.sup.8) or (iii) ##STR2## in which ##STR3## is 4-7 membered, mono-cyclic hetero ring containing 1 or 2 N atom; R.sup.10 is H, C7-10 phenylalkyl or COOR.sup.13 (in which R.sup.13 is H, C1-4 alkyl or C7-10 phenylalkyl)); with the proviso that (i) both R.sup.7 and R.sup.8 do not represent hydrogen at the same time, and (ii) when at least one group in R.sup.7, R.sup.8 and R.sup.9 represents the group containing t-butyl ester, the other groups do not represent tile group containing carboxy; or an acid-addition salt thereof, have inhibitory activities on PLA.sub.2 and on various proteases such as trypsin, plasmin, thrombin, kallikrein, especially trypsin, and are useful for the prevention and/or the treatment of various inflammatory diseases, allergic diseases, disseminated intravascular coagulation, pancreatitis, severity in pancreatitis and multiple organ failure.
公式(I)的氨基酚衍生物:其中R.sup.1和R.sup.2为(i) H,(ii) C1-4烷基,(iii) C1-4烷氧基,(iv) C2-5酰基,(v) 卤素,(vi) NO.sub.2,(vii) 苯甲酰基,(viii) COOR.sup.4(其中R.sup.4为C1-3烷基);A为键合,C1-4烷基,--C(R.sup.5).dbd.C(R.sup.6)--(其中R.sup.5和R.sup.6为H或C1-4烷基);R.sup.3为(i) CON(R.sup.7)(R.sup.8),(ii) CON(R.sup.9)--CH(R.sup.7)(R.sup.8)或(iii)其中##STR3##为含有1个或2个N原子的4-7成员,单环杂环;R.sup.10为H,C7-10苯基烷基或COOR.sup.13(其中R.sup.13为H,C1-4烷基或C7-10苯基烷基));但前提是(i) R.sup.7和R.sup.8不同时表示氢,(ii) 当R.sup.7、R.sup.8和R.sup.9中至少一个基团表示含叔丁基酯的基团时,其他基团不表示含羧基的基团;或其酸盐加合物,在PLA.sub.2和各种蛋白酶(如胰蛋白酶、纤溶酶、凝血酶、激肽酶等)上具有抑制活性,特别是对胰蛋白酶,对预防和/或治疗各种炎症性疾病、过敏性疾病、弥散性血管内凝血、胰腺炎、胰腺炎严重程度和多器官功能衰竭具有用处。