A compound of the formula ##STR1## wherein R.sup.1 is hydrogen, lower alkyl, phenyl-lower alkyl, lower alkanoyl or benzoyl, and each phenyl in the phenyl-lower alkyl and the benzoyl is unsubstituted or substituted by halogen, lower alkyl or alkoxy; R.sup.2 represents a carboxyl or a carboxyl which is converted into an ester, an amide or a hydroxamic acid; R.sup.3 represent a lower alkyl; R.sup.4 represents a lower alkyl; A.sup.1 represents a lower alkylene which is unsubstituted or substituted by a phenyl and the phenyl is unsubstituted or substituted by halogen, lower alkyl or a lower alkoxy; A.sup.2 represents a lower alkylene; A.sup.3 represents a lower alkylene; and Z represents a sulfur or an oxygen. The compounds have inhibitory effects on LTA.sub.4 hydrolase and are useful for treating rheumatic diseases, psoriasis, inflammatory intestinal diseases, gout and cystic fibrosis.
一种化合物,其
化学式为##STR1##其中R.sup.1为氢、较低的烷基、苯基-较低的烷基、较低的烷酰基或苯甲酰基,苯基-较低的烷基和苯甲酰基中的每个苯基未取代或被卤素、较低的烷基或烷氧基取代;R.sup.2代表羧基或转化为酯、酰胺或羟
肟酸的羧基;R.sup.3代表较低的烷基;R.sup.4代表较低的烷基;A.sup.1代表未取代或被苯基取代的较低的烷基,苯基未取代或被卤素、较低的烷基或较低的烷氧基取代;A.sup.2代表较低的烷基;A.sup.3代表较低的烷基;Z代表
硫或氧。这些化合物对LTA.sub.4
水解酶具有抑制作用,并可用于治疗风湿性疾病、牛皮癣、炎症性肠道疾病、痛风和囊性纤维化。