会员体验
专利管家(专利管理)
工作空间(专利管理)
风险监控(情报监控)
数据分析(专利分析)
侵权分析(诉讼无效)
联系我们
交流群
官方交流:
QQ群: 891211   
微信请扫码    >>>
现在联系顾问~
热词
    • 5. 发明授权
    • Azolidinedione derivatives
    • 氮杂二酮衍生物
    • US4980357A
    • 1990-12-25
    • US474722
    • 1990-03-01
    • Steven W. GoldsteinReinhard Sarges
    • Steven W. GoldsteinReinhard Sarges
    • C07D491/20
    • C07D491/20
    • A series of novel spiro-deteroazolones derived from a 2,3-dihydropryrano[2,3-b]pyridine ring system have been prepared, including their pharmaceutically acceptable salts. These compounds are useful in therapy as aldose reductase inhibitors for the control of certain chronic diabetic complications. Typical member compounds include spiro-imides, spiro-oxazolidinediones, spiro-thiazolidinediones and spiro-imidazolidinediones derived from the aforesaid ring system. (4'S) (2'R)-6'-Chloro-2',3'-dihydro-2'-methyl-spiro-[imidazolidine-4,4'-4'H-pyrano[2,3-b]pyridine]-2,5-dione represents a typical and preferred member compound. Methods for preparing all these compounds from known starting materials are provided.
    • 已经制备了一系列衍生自2,3-二氢丙氨酸[2,3-b]吡啶环体系的新型螺 - 脱苯罗唑酮,包括其药学上可接受的盐。 这些化合物可用于治疗某些慢性糖尿病并发症的醛糖还原酶抑制剂。 典型的成员化合物包括衍生自上述环系的螺 - 酰亚胺,螺恶唑烷二酮,螺 - 噻唑烷二酮和螺 - 咪唑烷二酮。 (4'S)(2'R)-6'-氯-2',3'-二氢-2'-甲基 - 螺 - [咪唑烷-4,4'-4'H-吡喃并[2,3-b]吡啶 ] -2,5-二酮代表典型和优选的成员化合物。 提供了从已知原料制备所有这些化合物的方法。
    • 6. 发明授权
    • Hydantoin derivatives, anti-diabetic compositions thereof, and method of
use thereof
    • 乙内酰脲衍生物,其抗糖尿病组合物及其使用方法
    • US4273775A
    • 1981-06-16
    • US153154
    • 1980-05-27
    • Reinhard Sarges
    • Reinhard Sarges
    • C07D471/10C07D471/20A61K31/42
    • C07D471/10
    • A series of novel tetrahydroquinoline-derived spiro-hydantoin compounds has been prepared, including their pharmaceutically acceptable acid addition salts. These particular compounds 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. Methods for preparing these compounds from known starting materials are provided.
    • 已经制备了一系列新的四氢喹啉衍生的螺 - 乙内酰脲化合物,包括其药学上可接受的酸加成盐。 这些特定化合物可用于治疗某些慢性糖尿病并发症的醛糖还原酶抑制剂。 优选的成员化合物包括1'-甲基-1',2',3',4'-四氢 - 螺 - [咪唑烷-4,4'-喹啉] -2,5-二酮,6'-氯-1' 2',3',4'-四氢 - 螺 - [咪唑烷-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'-吡啶并(2 ,b)吡啶] -2,5-二酮。 提供了从已知原料制备这些化合物的方法。