申请人:Pfizer Inc.
公开号:US04307108A1
公开(公告)日:1981-12-22
A series of spiro-imide compounds and their base salts with pharmacologically acceptable cations are disclosed. These particular compounds are useful in therapy as agents for the control of certain chronic diabetic complications. Preferred member compounds include 2,3-dihydro-spiro-[1H-indene-1,3'-pyrrolidone]-2',5'-dione, 2,3-dihydro-spiro-[1H-indene-2,3'-pyrrolidine]-2',5'-dione, 3,4-dihydro-spiro-[2H-naphthalene-1,3'-pyrrolidine]-2',5'-dione, 3,4-dihydro-spiro-[2H-naphthalene-1,3'-piperidine]-2',6'-dione, 6-chloro-2,3-dihydro-spiro-[4H-1-benzopyran-4,3'-pyrrolidine]-2',5'-dione and 6,7-dihydro-spiro-[5H-benzo(b)thiophene-4,3'-pyrrolidine]-2',5'-dione. Methods for preparing these compounds from known starting materials are provided.
揭示了一系列螺环酰亚胺化合物及其与药理学上可接受的阳离子形成的碱盐。这些特定化合物在治疗中作为控制某些慢性糖尿病并发症的药物非常有用。首选的成员化合物包括2,3-二氢螺环-[1H-茚烯-1,3'-吡咯酮]-2',5'-二酮,2,3-二氢螺环-[1H-茚烯-2,3'-吡咯啉]-2',5'-二酮,3,4-二氢螺环-[2H-萘-1,3'-吡咯啉]-2',5'-二酮,3,4-二氢螺环-[2H-萘-1,3'-哌啶]-2',6'-二酮,6-氯-2,3-二氢螺环-[4H-1-苯并吡喃-4,3'-吡咯啉]-2',5'-二酮和6,7-二氢螺环-[5H-苯并(b)噻吩-4,3'-吡咯啉]-2',5'-二酮。提供了从已知起始材料制备这些化合物的方法。