Spiro-hydantoin derivatives, process for their preparation and pharmaceutical compositions thereof
申请人:PFIZER INC.
公开号:EP0021704A1
公开(公告)日:1981-01-07
mula:
A series of novel spiro-hydantoin derivatives of the for-and the pharmaceutically acceptable acid addition salts thereof, wherein Q is CH or N, X is hydrogen and X' is hydrogen, lower alkoxy, fluorine, chlorine, bromine or phenyl; X and X1, when taken separately, are each lower alkoxy, chlorine or phenyl, and when taken together are -OCH2(CH2)nO- wherein n is zero or one, and R is hydrogen or lower alkyl, with the proviso that X and X' are each hydrogen when Q is N and R is otherthan hydrogen when Q is CH and X1 is hydrogen are useful in therapy as aldose reductase inhibitors for the control of certain chronic diabetic complications. Preferred member compounds include 1'-methyl-1',2',3',4'- tetrahydro-spiro-[imidazolidine-4, 4'-quinoline]-2,5-dione, 6'-chloro-1',2',3',4'- tetrahydro-spiro-[imidazolidine-4, 4'-quinoline]-2,5-dione, 7'-chloro-1',2',3',4'-tetrahydro- spiro-[imidazolidine-4, 4'-quinoline]-2,5-dione and 1'-methyl-1',2',3',4'-tetrahydro- spiro-[imidazolidine-4,4'-pyrido (2,3-b)pyridine]-2,5-dione. Pharmaceutical compositions and methods for preparing these compounds from known starting materials are provided.
mula:
的一系列新型螺海因衍生物及其药学上可接受的酸加成盐,其中 Q 是 CH 或 N,X 是氢,X'是氢、低级烷氧基、氟、氯、溴或苯基;X和X1分开时各自为低级烷氧基、氯或苯基,合在一起时为-OCH2(CH2)nO- 其中n为0或1,R为氢或低级烷基,但条件是当Q为N时,X和X'各自为氢,当Q为CH和X1为氢时,R除氢以外都是有用的治疗醛糖还原酶抑制剂,用于控制某些慢性糖尿病并发症。优选的成员化合物包括 1'-甲基-1',2',3',4'-四氢-螺-[咪唑啉-4,4'-喹啉]-2,5-二酮、6'-氯-1',2',3',4'-四氢-螺-[咪唑啉-4,4'-喹啉]-2、5-二酮、7'-氯-1',2',3',4'-四氢-螺-[咪唑烷-4,4'-喹啉]-2,5-二酮和 1'-甲基-1',2',3',4'-四氢-螺-[咪唑烷-4,4'-吡啶 (2,3-b)吡啶]-2,5-二酮。本文提供了从已知起始原料制备这些化合物的药物组合物和方法。