申请人:ONO PHARMACEUTICAL CO., LTD.
公开号:EP0461677A1
公开(公告)日:1991-12-18
A novel thiazolidine derivative of general formula:
wherein R represents a group of general formula:
G-E-D-B-A-
wherein A represents single bond, alkylene group of from 1 to 6 carbon atom(s), alkenylene group of from 2 to 6 carbon atoms, a group of general formula:
or saturated hydrocarbon ring of from 4 to 7 carbon atoms or a mono aromatic heterocyclic ring containing 4 to 7 ring members including one nitrogen atom and/or one sulphur atom which may be partially or fully saturated,
Y represents alkylene group of from 1 to 4 carbon atom(s) or alkenylene group of from 2 to 4 carbon atoms,
B represents single bond or alkylene group of from 1 to 6 carbon atom(s),
D represents single bond, oxygen atom, carbonyl group or a group of general formula:
R¹ represents hydrogen atom, alkyl group of from 1 to 4 carbon atom(s), phenyl group or benzyl group,
E represents single bond, alkylene group of from 1 to 8 carbon atom(s) or alkylene group of from 1 to 8 carbon atom(s) substituted by phenyl group or benzyl group,
G represents mono-, bi- or tri-aromatic carbocyclic ring(s) containing not more than 15 carbon atoms which may be partially or fully saturated or G represents mono-, bi-or tri-aromatic heterocyclic ring(s) containing not more than 15 ring members including one nitrogen atom which may be partially or fully saturated wherein the said carbocyclic ring or heterocyclic ring represented by G is unsubstituted or substituted by from one to three of alkyl group of from 1 to 6 carbon atom(s), alkoxy group of from 1 to 6 carbon atom(s), halogen atom, trifluormethyl group or nitro group,
with the proviso that, A and B do not represent single bonds at the same time,
possess inhibitory activity on prolyl endopeptidase, and therefore be useful for treating and/or preventing agent for amnesia.
一种通式新颖的噻唑烷衍生物:
其中 R 代表通式中的一个基团:
G-E-D-B-A-
其中 A 代表单键、1 至 6 个碳原子的亚烷基、2 至 6 个碳原子的烯基、通式为 G-E-D-B-A- 的基团:
或 4 至 7 个碳原子的饱和烃环,或含有 4 至 7 个环成员(包括一个氮原子和/或一个硫原子)的单芳杂环,可部分或完全饱和、
Y 代表 1 至 4 个碳原子的亚烷基或 2 至 4 个碳原子的烯基、
B 代表单键或 1 至 6 个碳原子的亚烷基、
D 代表单键、氧原子、羰基或通式中的一个基团:
R¹ 代表氢原子、1 至 4 个碳原子的烷基、苯基或苄基、
E 代表单键、1 至 8 个碳原子的亚烷基或被苯基或苄基取代的 1 至 8 个碳原子的亚烷基、
G 代表含有不超过 15 个碳原子的单芳香族、双芳香族或三芳香族碳环,这些碳环可以是部分饱和或完全饱和的,或者 G 代表单芳香族、双芳香族或三芳香族碳环、含有不超过 15 个环状构件(包括一个氮原子)的单芳香族、双芳香族或三芳 香族杂环,可部分或完全饱和,其中 G 所代表的上述碳环或杂环未被取代或被 1 至 6 个碳原子的烷基、1 至 6 个碳原子的烷氧基、卤素原子、三氟甲基或硝基中的 1 至 3 个取代、
但 A 和 B 不能同时代表单键、
对脯氨酰内肽酶具有抑制活性,因此可用于治疗和/或预防健忘症。