申请人:BRITISH BIOTECH PHARMACEUTICALS LIMITED
公开号:EP0498665A1
公开(公告)日:1992-08-12
Compounds of general formula I:
Wherein :
R¹ is hydrogen, C₁ - C₆ alkyl, phenyl, substituted phenyl, phenyl(C₁ - C₆ alkyl), or heterocyclyl;
or R¹ is ASOnR⁷
wherein A represents a C₁ - C₆ hydrocarbon chain, optionally substituted with one or more C₁ - C₆ alkyl, phenyl or substituted phenyl groups
n = 0,1,2;
R⁷ is C₁ - C₆ alkyl, phenyl, substituted phenyl, phenyl (C₁-C₆ alkyl), heterocyclyl, (C₁ - C₆ alkyl)acyl thienyl or phenacyl;
R² is hydrogen, C₁ - C₆ alkyl, C₂ - C₆ alkenyl, phenyl (C₁ - C₆alkyl) or cycloalkyl(C₁ - C₆ alkyl);
R³ and R⁴ are selected from hydrogen, halogen, cyano amino, amino(C₁ - C₆)alkyl, amino di(C₁ - C₆)alkyl, amino(C₁ - C₆)alkylacyl, aminophenacyl, amino (substituted) phenacyl, amino acid or derivative thereof, hydroxy, oxy(C₁ - C₆)alkyl, oxyacyl, formyl, carboxylic acid, carboxamide, carboxy(C₁ - C₆) alkylamide, carboxyphenylamide, carboxy(C₁ - C₆) alkyl, hydroxy(C₁ - C₆)alkyl, (C₁ - C₆)alkyloxy(C₁ - C₆) alkyl or acyloxy(C₁ - C₆)alkyl, (C₁ - C₆)alkylcarboxylic acid, (C₁-C₆) alkylcarboxy(C₁ - C₆) alkyl, amino (C₁₋₆)alkylacyl carboxylic acid or amino (C₁₋₆)alkylacyl (C₁₋₆) alkylcarboxylate;
or R³ is OCH₂COR⁸ R⁴ is hydrogen;
wherein R⁸ is hydroxyl, C₁ - C₆ oxyalkyl, C₁ - C₆ oxyalkylphenyl, amino, C₁ - C₆ aminoalkyl, C₁ - C₆ aminodialkyl; C₁ - C₆ aminoalkylphenyl, an amino acid or derivative thereof;
or R³ is OCH₂CH₂OR⁹ and R⁴ is hydrogen;
wherein R⁹ is C₁ - C₆ alkyl, C₁ - C₆ alkylphenyl, phenyl, substituted phenyl, (C₁ - C₆ alkyl)acyl, or phenacyl;
or R³ is OCH₂CN and R⁴ is hydrogen;
R⁵ is hydrogen or C₁ - C₆ alkyl, or (C₁ - C₆) alkylphenyl;
R⁶ is hydrogen or methyl;
or a salt thereof;
specifically excluded are compounds wherein:
R³ = R⁴ = hydrogen
or R³ = R⁴ = hydroxy
or R³ = hydrogen and R⁴ = oxybenzyl
or R³ = hydrogen and R⁴ = oxy(C₁ - C₆ alkyl);
or a salt thereof;
have collagenase inhibition activity and are useful in the management of disease involving collagen degradation. Its uses include rheumatoide arthritis, corneal ulceration, osteoporosis, periodontitis, gingivitis and tumour invasion.
通式 I 的化合物:
其中 :
R¹ 是氢、C₁ - C₆ 烷基、苯基、取代苯基、苯基(C₁ - C₆ 烷基)或杂环基;
或 R¹ 是 ASOnR⁷
其中 A 代表 C₁ - C₆ 碳氢链,可选择被一个或多个 C₁ - C₆ 烷基、苯基或取代苯基取代
n = 0,1,2;
R⁷ 是 C₁ - C₆ 烷基、苯基、取代苯基、苯基 (C₁-C₆ 烷基)、杂环基、(C₁ - C₆ 烷基)酰基
噻吩基或苯基;
R² 是氢、C₁ - C₆ 烷基、C₂ - C₆ 烯基、苯基 (C₁ - C₆ 烷基) 或环烷基 (C₁ - C₆ 烷基);
R³ 和 R⁴ 选自氢、卤素、
氰基
氨基、
氨基(C₁ - C₆)烷基、
氨基二(C₁ - C₆)烷基、
氨基(C₁ - C₆)烷酰基、
氨基苯酰基、
氨基(取代)苯酰基、
氨基酸或其衍
生物、羟基、氧基(C₁ - C₆)烷基、氧基酰基、甲酰基、
羧酸、羧酰胺、羧基(C₁ - C₆)烷基酰胺、(C₁-C₆)烷基、羟基(C₁-C₆)烷基、(C₁-C₆)烷氧基(C₁-C₆)烷基或酰氧基(C₁-C₆)烷基、(C₁-C₆)烷基
羧酸、(C₁-C₆)烷基羧基(C₁ - C₆)烷基、
氨基(C₁₋₆)烷基酰基
羧酸或
氨基(C₁₋₆)烷基酰基(C₁₋₆)烷基
羧酸;
或 R³ 是 OCH₂COR⁸ R⁴ 是氢;
其中 R⁸ 是羟基、C₁ - C₆ 氧烷基、C₁ - C₆ 氧烷基苯基、
氨基、C₁ - C₆
氨基烷基、C₁ - C₆
氨基二烷基、C₁ - C₆
氨基烷基苯基、
氨基酸或其衍
生物;
或 R³ 是 OCH₂CH₂OR⁹,R⁴ 是氢;
其中 R𠞙 是 C₁ - C₆ 烷基、C₁ - C₆ 烷基苯基、苯基、取代苯基、(C₁ - C₆ 烷基)酰基或苯酰基;
或 R³ 是 OCH₂CN,R⁴ 是氢;
R⁵ 是氢或 C₁ - C₆ 烷基,或 (C₁ - C₆) 烷基苯基;
R⁶ 是氢或甲基;
或其盐;
特别排除以下化合物
R³ = R⁴ = 氢
或 R³ = R⁴ = 羟基
或 R³ = 氢且 R⁴ = 氧苄
或 R³ = 氢且 R⁴ = 氧(C₁ - C₆ 烷基);
或其盐;
具有
胶原酶抑制活性,可用于治疗涉及胶原降解的疾病。其用途包括风湿性关节炎、角膜溃疡、骨质疏松症、牙周炎、牙龈炎和肿瘤侵袭。