The invention concerns compounds of the formula (I) or pharmaceutically acceptable salts thereof wherein R1, R2, R3, R4, and R5 have any of the meanings defined in the description.Processes for the manufacture of compounds of formula (I), compositions containing them, their use as inhibitors of protein tyrosine phosphatase PTP1B and their use for the treatment of diabetes mellitus are also described.
该发明涉及式(I)的化合物或其在药学上可接受的盐中,其中R1、R2、R3、R4和R5具有描述中定义的任何含义。还描述了制备式(I)化合物的方法、含有它们的组合物、它们作为蛋白
酪氨酸磷酸酶
PTP1B
抑制剂的用途以及它们用于治疗糖尿病的用途。