申请人:BRISTOL-MYERS SQUIBB COMPANY
公开号:EP0648780A1
公开(公告)日:1995-04-19
Heterocyclic thrombin inhibitors are provided which have the structure
including all stereoisomers thereof
wherein n is 0, l or 2;
p is 0, l or 2;
Q is a single bond or C=O;
A is aryl or cycloalkyl, or an azacycloalkyl ring or an azaheteroalkyl ring;
R⁵ is guanidine, amidine or aminomethyl, but when A is azacycloalkyl or azaheteroalkyl, R⁵ is amidine;
R¹ and R² are independently hydrogen, lower alkyl, cycloalkyl, aryl, hydroxy alkoxy, keto, thioketal, thioalkyl, thioaryl, amino or alkylamino; or R¹ and R² together with the carbons to which they are attached form a cycloalkyl aryl, or heteroaryl ring;
R⁴ is hydrogen, hydroxyalkyl, aminoalkyl, amidoalkyl, alkyl, cycloalkyl, aryl, arylalkyl, alkenyl, alkynyl, arylalkoxyalkyl, or an amino acid side chain, either protected or unprotected; and
R³ is hydrogen,
or -CO₂R⁶ (wherein R⁶ is lower alkyl, aryl, arylalkyl or cycloheteroalkyl);
including pharmaceutically acceptable salts thereof.
所提供的杂环凝血酶抑制剂具有以下结构
包括其所有立体异构体
其中 n 为 0、l 或 2;
p为0、l或2
Q 是单键或 C=O;
A 是芳基或环烷基,或偶氮环烷基环或偶氮杂烷基环;
R⁵ 是胍基、脒基或氨甲基,但当 A 是偶氮环烷基或杂杂环烷基时,R⁵ 是脒基;
R¹ 和 R² 独立地是氢、低级烷基、环烷基、芳基、羟基烷氧基、酮基、硫酮基、硫代烷基、硫代芳基、氨基或烷基氨基;或 R¹ 和 R² 与它们所连接的碳一起形成环烷基芳基或杂芳基环;
R⁴ 是氢、羟烷基、氨基烷基、氨基烷基、烷基、环烷基、芳基、芳烷基、烯基、炔基、芳基烷氧基烷基或氨基酸侧链,可以是受保护的,也可以是未受保护的;以及
R³ 为氢、
或-CO₂R⁶(其中 R⁶ 是低级烷基、芳基、芳烷基或环杂烷基);
包括其药学上可接受的盐类。