Mercapto-acylamino acids useful in the treatment of cardiovascular disorders and as analgesics
申请人:SCHERING CORPORATION
公开号:EP0364767A1
公开(公告)日:1990-04-25
Novel mercapto-acylamino acids of formula I
wherein R₁ is H or R₅CO-;
R₂ is Y-C₆H₄-, Y-C₆H₄S-, Y-C₆H₄O-, Y-C₆H₄CH₂S-, Y-C₆H₄CH₂O-, naphthyl, furyl, thienyl, benzofuryl, benzothienyl, diphenylmethyl or
R₃ is -OR₆, -NR₆R₇ or
R₄ is hydrogen, lower alkyl or aryl lower alkyl;
R₅ is lower alkyl, hydroxylower alkyl, lower alkoxy lower alkyl; (di-lower alkyl) amino lower alkyl, Y₁-C₆H₄-lower alkyl, lower alkoxy, Y₁-C₆H₄-, naphthyl, furyl, thienyl or pyridyl;
R₆ and R₇ are independently hydrogen, lower alkyl or substituted lower alkyl wherein the substituents are hydroxy, lower alkoxy, lower alkoxy lower alkoxy, halogeno, halogeno lower alkoxy, amino, mono- or di-lower alkylamino, heterocycloalkyl, lower alkyl heterocycloalkyl, aryl, substituted aryl or an optionally substituted 5-6 membered saturated ring comprising 1-2 oxygen atoms as ring members; or R₆ and R₇ together with the nitrogen to which they are attached complete a 5-7 membered ring, wherein the ring optionally comprises a nitrogen atom, an alkyl-substituted nitrogen atom or an oxygen atom, and wherein the ring is optionally substituted on the ring carbon atoms;
R₈ is hydrogen, alkyl, carboxyalkyl, mercaptoalkyl, alkylthioalkyl, aminoalkyl, hydroxyalkyl, phenylalkyl, hydroxyphenylalkyl, guanidinoalkyl, imidazolylalkyl, indolylalkyl or carbamoylalkyl;
n is 0-3;
A is
X and X₁ are a bond, -O-, -S-, or -CH₂-;
Y, Y₁ and Y₂ are hydrogen, lower alkyl, cyclolower alkyl, lower alkoxy, OH, F, Cl, Br, I, -CN, -CO₂H, -CO₂-lower alkyl, -CH₂NH₂, -CONH₂ or aryl;
and the pharmaceutically acceptable acid addition salts thereof useful as analgesics as well as in the treatment of hypertension and congestive heart failure and combinations of mercapto acylamino acids and atrial natriuretic factors or angiotensin converting enzyme inhibitors useful for treating hypertension and congestive heart failure are disclosed.
式 I 的新型巯基乙酰胺酸
其中 R₁ 是 H 或 R₅CO-;
R₂ 是 Y-C₆H₄-、Y-C₆H₄S-、Y-C₆H₄O-、Y-C₆H₄CH₂S-、Y-C₆H₄CH₂O-、萘基、呋喃基、噻吩基、苯并呋喃基、苯并噻吩基、二苯基甲基或
R₃ 是-OR₆、-NR₆R₇ 或
R₄ 是氢、低级烷基或芳基低级烷基;
R₅ 是低级烷基、羟基低级烷基、低级烷氧基低级烷基;(二低级烷基)氨基低级烷基、Y₁-C₆H₄-低级烷基、低级烷氧基、Y₁-C₆H₄-、萘基、呋喃基、噻吩基或吡啶基;
R₆ 和 R₇ 独立地为氢、低级烷基或取代的低级烷基,其中取代基为羟基、低级烷氧基、低级烷氧基低级烷氧基、卤代、卤代低级烷氧基、氨基、单或双低级烷基氨基、杂环烷基、低级烷基杂环烷基、芳基、取代的芳基或由 1-2 个氧原子作为环成员组成的任选取代的 5-6 位饱和环;或 R₆ 和 R₇ 与它们所连接的氮一起组成一个 5-7 个成员的环,其中该环任选包括一个氮原子、一个烷基取代的氮原子或一个氧原子,并且该环在环碳原子上任选被取代;
R₈ 是氢、烷基、羧基烷基、巯基烷基、烷硫基烷基、氨基烷基、羟基烷基、苯基烷基、羟苯基烷基、胍基烷基、咪唑基烷基、吲哚基烷基或氨基甲酰基烷基;
n 为 0-3;
A 是
X 和 X₁ 是键、-O-、-S- 或 -CH₂-;
Y、Y₁ 和 Y₂ 是氢、低级烷基、环低级烷基、低级烷氧基、OH、F、Cl、Br、I、-CN、-CO₂H、-CO₂-低级烷基、-CH₂NH₂、-CONH₂ 或芳基;
本发明公开了可用作镇痛剂以及治疗高血压和充血性心力衰竭的巯基乙酰氨基酸及其药学上可接受的酸加成盐,以及可用于治疗高血压和充血性心力衰竭的巯基乙酰氨基酸与心房利钠因子或血管紧张素转换酶抑制剂的组合。