申请人:YOSHITOMI PHARMACEUTICAL INDUSTRIES, LTD.
公开号:EP0507291A1
公开(公告)日:1992-10-07
A cycloalkylurea compound of the formula (I):
wherein R¹ is a group of the formula (a):
(wherein R⁶, R⁷ and R⁸ are the same or different and each is hydrogen or alkyl having 1 to 8 carbon atoms, with the proviso that compounds wherein two or three of R⁶, R⁷ and R⁸ are hydrogens are excluded), haloalkyl, cycloalkyl, alkoxy having 1 to 5 carbon atoms, phenyl, aralkyl or heteroaryl, or phenyl, aralkyl or heteroaryl each substituted on the aromatic ring by 1 to 3 substituents selected from alkyl having 1 to 4 carbon atoms, alkoxy having 1 to 8 carbon atoms, cycloalkyl, cycloalkyloxy, haloalkyl, haloalkoxy, halogen, nitro, amino and substituted amino;
R² is hydrogen, phenyl or phenyl substituted by 1 to 3 substituents selected from alkyl having 1 to 4 carbon atoms, alkoxy having 1 to 4 carbon atoms, haloalkyl and halogen, whererin R¹ and R² may be substituted on the same carbon atom of cycloalkyl ring;
R¹ and R² together may form a substituted or unsubstituted cyclic hydrocarbon having 3 to 7 carbon atoms or a substituted or unsubstituted spiran;
R³ is hydrogen, alkyl having 1 to 8 carbon atoms, cycloalkyl, cycloalkylalkyl, alkoxyalkyl, alkylthioalkyl, aralkyl substituted by alkylenedioxy, aralkyl, aralkyloxyalkyl, aralkyl or aralkyloxyalkyl each substituted on the aromatic ring by 1 to 3 substituents selected from alkyl having 1 to 4 carbon atoms, alkoxy having 1 to 5 carbon atoms, halogen, nitro, hydroxy, amino, substituted amino, haloalkyl, alkylthio, benzyloxy and benzylthio, heteroarylalkyl, phenoxyalkyl, or heteroarylalkyl or phenoxyalkyl each substituted on the aromatic ring by 1 to 3 substituents selected from halogen, alkyl having 1 to 4 carbon atoms, alkoxy having 1 to 4 carbon atoms, nitro, amino and haloalkyl, or a group of the formula (c) or (d):
wherein m is 1 or 2, R¹¹ is hydrogen or alkyl having 1 to 4 carbon atoms, R¹² is hydrogen, alkyl having 1 to 4 carbon atoms or aralkyl;
R⁴ is phenyl substituted by 1 to 3 substituents selected from alkyl having 1 to 4 carbon atoms, alkoxy having 1 to 4 carbon atoms, haloalkyl, halogen, amino and substituted amino;
n is 1, 2 or 3;
or a pharmaceutically acceptable salt thereof,
which compound inhibits ACAT and is useful as hypolipidemic and anti-atherosclerotic medicine.
式 (I) 的环烷基脲化合物:
其中 R¹ 是式 (a) 的基团:
(其中 R⁶、R⁷ 和 R⁸ 相同或不同,且各自为氢或具有 1 至 8 个碳原子的烷基,但 R⁶、R⁷ 和 R⁸ 中的两个或三个为氢的化合物除外)、卤代烷基、环烷基、具有 1 至 5 个碳原子的烷氧基、苯基、芳基或杂芳基,或苯基、芳基或杂芳基、或在芳香环上被 1 至 3 个取代基取代的苯基、芳基或杂芳基,每个取代基均选自 1 至 4 个碳原子的烷基、1 至 8 个碳原子的烷氧基、环烷基、环烷氧基、卤代烷基、卤代烷氧基、卤素、硝基、氨基和取代氨基;
R² 是氢、苯基或被 1 至 3 个取代基取代的苯基,这些取代基选自具有 1 至 4 个碳原子的烷基、具有 1 至 4 个碳原子的烷氧基、卤代烷基和卤素,其中 R¹ 和 R² 可在环烷基环的同一碳原子上被取代;
R¹ 和 R² 可共同形成具有 3 至 7 个碳原子的取代或未取代的环烃或取代或未取代的螺烷;
R³ 是氢、具有 1 至 8 个碳原子的烷基、环烷基、环烷基烷基、烷氧基烷基、烷硫基烷基、被亚烷基二氧基取代的芳基、芳烷基、芳氧基烷基、芳烷基或芳氧基烷基,每个芳环上被 1 至 3 个取代基取代,这些取代基选自具有 1 至 4 个碳原子的烷基、具有 1 至 5 个碳原子的烷氧基、卤素、硝基、羟基、氨基、取代的氨基、烷氧基烷基、烷硫基烷基、被亚烷基二氧基取代的芳烷基、芳氧基烷基、芳氧基烷基、芳氧基烷基或芳氧基烷基、羟基、氨基、取代氨基、卤代烷基、烷硫基、苄氧基和苄硫基、杂芳基烷基、苯氧基烷基、或芳环上各被 1 至 3 个取代基取代的杂芳基烷基或苯氧基烷基,这些取代基选自卤素、具有 1 至 4 个碳原子的烷基、具有 1 至 4 个碳原子的烷氧基、硝基、氨基和卤代烷基或式 (c) 或 (d) 的基团:
其中 m 为 1 或 2,R¹¹ 为氢或具有 1 至 4 个碳原子的烷基,R¹² 为氢、具有 1 至 4 个碳原子的烷基或芳烷基;
R⁴ 是被 1 至 3 个取代基取代的苯基,这些取代基选自具有 1 至 4 个碳原子的烷基、具有 1 至 4 个碳原子的烷氧基、卤代烷基、卤素、氨基和取代氨基;
n 为 1、2 或 3;
或其药学上可接受的盐、
该化合物可抑制 ACAT,可用作降血脂和抗动脉粥样硬化药物。