The present invention provides novel intermediates represented by general formula (I) etc. for preparing a phenoxyacetic acid derivative represented by general formula (X) or a pharmaceutically acceptable salt thereof, which has β3-adrenoceptor stimulating activity and are useful for treating or preventing obesity, hyperglycemia, diseases caused by intestinal hypermotility, pollakiuria, urinary incontinence, depression or biliary calculus. The present invention also provides a process for preparing said intermediates and a method of using said intermediates.
本发明提供了一种新的中间体,其由一般式(I)等表示,用于制备一种由一般式(X)或其药学上可接受的盐所表示的
苯氧乙酸衍
生物,该衍
生物具有β3-
肾上腺素受体刺激活性,并且可用于治疗或预防肥胖症、高血糖症、肠道过动症引起的疾病、尿频、尿失禁、抑郁症或胆石症。本发明还提供了制备该中间体的方法和使用该中间体的方法。