申请人:Novartis AG
公开号:US05977075A1
公开(公告)日:1999-11-02
The present invention relates to the compounds of formula (I) ##STR1## wherein R is carboxy, esterified carboxy, carbamoyl, N-(alkyl or aryl)-carbamoyl, cyano, 5-tetrazolyl or CONH--SO.sub.2 --R.sub.4 ; R.sub.1 is hydrogen, lower alkyl, aryl-lower alkyl or cycloalkyl-lower alkyl; R.sub.2 is hydrogen or lower alkyl, or R.sub.1 and R.sub.2 represent lower alkylene to form together with the carbon and nitrogen atoms to which they are attached an azacycloalkane ring; R.sub.3 is heterocyclic or carbocyclic (aryl or biaryl)-lower alkyl; Y is lower alkylidenyl, 3- to 10-membered cycloalkylidenyl which may be substituted by oxo, alkylenedioxy, hydroxy, acyloxy, lower alkoxy; or Y is 5- to 10-membered cycloalkylidenyl fused to a saturated or unsaturated carbocyclic 5- or 6-membered ring; or Y is 5- to 8-membered oxacycloalkylidenyl, 5- to 8-membered (thia-, oxothia- or dioxothia-) cycloalkylidenyl, or 5- to 8-membered azacycloalkylidenyl optionally N-substituted by lower alkyl or aryl-lower alkyl; R.sub.4 represents hydrogen, lower alkyl, carbocyclic aryl, heterocyclic aryl, cycloalkyl, (carbocyclic aryl, heterocyclic aryl, cycloalkyl, hydroxy, acyloxy, or lower alkoxy)-lower alkyl, lower alkyl substituted by carboxyl, by esterified carboxyl or by amidated carboxyl; Ar represents carbocyclic or heterocyclic aryl; and pharmaceutically acceptable salts thereof; which are useful as endothelin inhibitors in mammals.
本发明涉及以下式(I)的化合物:##STR1## 其中R是羧基,酯化羧基,氨基甲酰基,N-(烷基或芳基)-氨基甲酰基,氰基,5-四唑基或CONH-SO.sub.2-R.sub.4; R.sub.1是氢,低级烷基,芳基-低级烷基或环烷基-低级烷基;R.sub.2是氢或低级烷基,或R.sub.1和R.sub.2代表低级亚烷基,与它们附着的碳和氮原子一起形成一个氮杂环烷环;R.sub.3是杂环或碳环(芳基或双芳基)-低级烷基;Y是低级烷基亚甲基,3-至10-环烷基亚甲基,可以被氧代,烷二酰氧,羟基,酰氧基,低级烷氧基取代;或Y是5-至10-环烷基亚甲基,与饱和或不饱和的碳环5-或6-环相融合;或Y是5-至8-氧代环烷基亚甲基,5-至8-(硫代,氧硫代或二氧硫代)-环烷基亚甲基,或5-至8-氮杂环烷基亚甲基,可选地N-取代低级烷基或芳基-低级烷基;R.sub.4代表氢,低级烷基,碳环芳基,杂环芳基,环烷基,(碳环芳基,杂环芳基,环烷基,羟基,酰氧基或低级烷氧基)-低级烷基,通过羧基,酯化羧基或酰胺基羧基取代的低级烷基;Ar代表碳环或杂环芳基;以及其药学上可接受的盐;在哺乳动物中作为内皮素抑制剂有用。