3-Phenylureido-1,4-Benzodiazepinones and their use as cholecystokinin or gastrin antagonists
申请人:MERCK SHARP & DOHME LTD.
公开号:EP0549039A1
公开(公告)日:1993-06-30
Compounds of formula (I), and salts and prodrugs thereof
wherein:
R¹ is H, certain optionally substituted C₁₋₆alkyl, or C₃₋₇cyclocalkyl;
R² represents a group
wherein X is O, S or NR⁸ where R⁸ is H or C₁₋₄alkyl;
R³ is C₁₋₆alkyl, halo or NR⁶R⁷;
R⁴ is C₁₋₇alkyl, C₃₋₇cycloalkyl, C₄₋₇cycloalkylalkyl or optionally substituted aryl;
n is 0, 1, 2 or 3;
are CCK and/or gastrin receptor antagonists. They and compositions thereof are useful in therapy.