申请人:Mitsubishi Chemical Industries Limited
公开号:US04764618A1
公开(公告)日:1988-08-16
Novel arginine derivatives represented by the general formula ##STR1## wherein R.sup.1 stands for a naphthalenesulfonyl, a naphthalenecarbonyl, a 1,2,3,4-tetrahydronaphthalenesulfonyl, a 1,2,3,4-tetrahydronaphthalenecarbonyl, a dioxa b-6,7-naphthalenesulfonyl, a dioxa b-6,7-naphthalenecarbonyl, a 1,2,3,4-tetrahydro-8-quinolinesulfonyl, a 1,2,3,4-tetrahydro-8-quinolinecarbonyl, a dibenzofuransulfonyl, a dibenzofurancarbonyl, a fluorenesulfonyl, a fluorenecarbonyl, a dibenzothiophenesulfonyl or a dibenzothiophene, and R.sup.2 stands for a piperidino or a piperazino are disclosed. These arginine derivatives and their pharmaceutically acceptable salts have trypsin-inhibiting activity and useful as a pancreatitis remedy.
本发明涉及一种以一般式##STR1##表示的新的精氨酸衍生物,其中R.sup.1代表萘磺酰基,萘甲酰基,1,2,3,4-四氢萘磺酰基,1,2,3,4-四氢萘甲酰基,二氧杂b-6,7-萘磺酰基,二氧杂b-6,7-萘甲酰基,1,2,3,4-四氢-8-喹啉磺酰基,1,2,3,4-四氢-8-喹啉甲酰基,二苯并呋喃磺酰基,二苯并呋喃甲酰基,芴磺酰基,芴甲酰基,二苯并噻吩磺酰基或二苯并噻吩,R.sup.2代表哌啶或哌嗪基。这些精氨酸衍生物及其药学上可接受的盐具有胰蛋白酶抑制活性,并可用作治疗胰腺炎的药物。