申请人:Gruppo Lepetit S.p.A.
公开号:US04143055A1
公开(公告)日:1979-03-06
New 2,4,6-trisubstituted-2,3-dihydro-benzofuran derivatives of the following general formula ##STR1## wherein R is selected from hydrogen or methyl; one of R.sub.1 and R.sub.2 represents hydroxy, (C.sub.1-4)alkoxy or (C.sub.2-4)alkanoyloxy, and the other one is selected from cyano, carboxy, carbo(C.sub.1-4)alkoxy, carbamoyl and a --NR.sub.3 R.sub.4 group, wherein R.sub.3 and R.sub.4 independently represent hydrogen (C.sub.1-4)alkyl, (C.sub.2-4)alkanoyl, carbo(C.sub.1-4)alkoxy, carbobenzyloxy, carbamoyl, mono- and di-(C.sub.1-4)alkylamino-(C.sub.1-4)alkyl, benzenesulfonyl, toluenesulfonyl, (C.sub.1-4)alkylsulfonyl or phenacylsulfonyl; and salts therewith of pharmaceutically acceptable acids. The compounds have antinflammatory, analgesic and antipyretic utility.
新的2,4,6-三取代-2,3-二氢苯并呋喃衍生物具有以下一般式##STR1##其中R从氢或甲基中选择;R.sub.1和R.sub.2中的一个代表羟基,(C.sub.1-4)烷氧基或(C.sub.2-4)烷酰氧基,另一个从氰基,羧基,羧基(C.sub.1-4)烷氧基,氨基甲酰基和--NR.sub.3 R.sub.4基中选择,其中R.sub.3和R.sub.4独立地代表氢(C.sub.1-4)烷基,(C.sub.2-4)烷酰基,羧基(C.sub.1-4)烷氧基,羧苄氧基,氨基甲酰基,单烷基胺和双(C.sub.1-4)烷基胺-(C.sub.1-4)烷基,苯磺酰基,甲苯磺酰基,(C.sub.1-4)烷基磺酰基或苯乙酰磺酰基;及其与药理学上可接受的酸盐。这些化合物具有抗炎、镇痛和退热的用途。