Azacyclic compounds, processes for their preparation and pharmaceutical compositions containing them
申请人:MERCK SHARP & DOHME LTD.
公开号:EP0528495A1
公开(公告)日:1993-02-24
Compounds of formula (I), and salts and prodrugs thereof
wherein
n is 1, 2 or 3;
X represents O or S;
R¹ represents optionally substituted phenyl;
R² represents aryl, heteroaryl, benzhydryl, or benzyl;
R⁴ and R⁵ each independently represent H, halo, CH₂OR⁹, C₁₋₆alkyl, oxo, CO₂R¹⁰ or CONR¹⁰R¹¹;
R⁸ represents H, COR⁹, CO₂R¹⁰ or optionally substituted C₁₋₆alkyl;
R⁹ represents H, C₁₋₆alkyl or phenyl; and
R¹⁰ and R¹¹ each independently represent H or C₁₋₆alkyl; are tachykinin antagonists. They and compositions thereof are useful in medicine.