PHENOXYACETIC ACID DERIVATIVES AND MEDICINAL COMPOSITIONS CONTAINING THE SAME

摘要

Novel phenoxyacetic acid derivatives represented by general formula (I), and pharmacologically acceptable salts thereof, which exhibit an excellent .beta .3- adrenergic receptor stimulating effect and are useful as preventive or therapeutic agents for obesity, hyperglycemia, diseases due to hyperkinesia of intestine, pollakiuria, urinary incontinence, depression, cholelithiasis or diseases due to hyperkinesia of biliary tract: wherein R1 is hydroxyl or the like; one of R2 and R3 is hydrogen, halogeno or the like, and the other thereof is hydrogen; and R4 is halogeno or the like.