Substituted pyrazines, pyrimidines and pyridazines for use in the treatment of glaucoma
申请人:MERCK SHARP & DOHME LTD.
公开号:EP0492903A1
公开(公告)日:1992-07-01
The use of a compound of structural formula (I):
or a pharmaceutically acceptable salt thereof or a prodrug thereof; wherein
one of X, Y and Z represents nitrogen and the remainder represent carbon atoms;
R¹ represents a non-aromatic, azabicyclic ring system selected from:
wherein the broken line represents an optional chemical bond;
the substituents R³ and R⁴ may be present at any position, including the point of attachment to the pyrazine, pyridazine or pyrimidine ring, and independently represent hydrogen, C₁₋₄ alkyl, halogen, C₁₋₄ alkoxy, hydroxy, carboxy or C₁₋₄ alkoxycarbonyl; or R³ and R⁴ together represent carbonyl; and R⁵ represents hydrogen or C₁₋₄ alkyl; and
R² and R¹¹ independently represent hydrogen, halogen, -CF₃, -OR⁶, -NR⁶R⁷, -CN, C₁₋₈ alkyl or C₂₋₈ alkenyl; wherein R⁶ is hydrogen or C₁₋₆ alkyl; and R⁷ is hydrogen or C₁₋₆ alkyl;
for the manufacture of a medicament for treating glaucoma and/or for reducing intraocular pressure.
使用结构式(I)的化合物:
或其药学上可接受的盐或其原药; 其中
X、Y 和 Z 中的一个代表氮,其余代表碳原子;
R¹代表选自下列的非芳香族氮杂环环系统
其中断线代表任选的化学键;
取代基 R³ 和 R⁴ 可存在于任何位置,包括吡嗪、哒嗪或嘧啶环的连接点,并独立地代表氢、C₁₋₄烷基、卤素、C₁₋₄烷氧基、羟基、羧基或 C₁₋₄烷氧羰基;或 R³ 和 R⁴ 共同代表羰基;且 R⁵ 代表氢或 C₁₋₄ 烷基;且
R²和R¹¹独立地代表氢、卤素、-CF₃、-OR⁶、-NR⁶R⁷、-CN、C₁₋₈烷基或C₂₋₈烯基;其中R⁶是氢或C₁₋₆烷基;R⁷是氢或C₁₋₆烷基;
用于制造治疗青光眼和/或降低眼压的药物。