The invention relates to compounds of formula (I) or a pharmaceutically acceptable salt thereof, wherein R', R1 through R7 and Ar are as defined herein. These compounds are useful as inhibitors of phosphodiesterase 10 (PDE10A) which are useful in treating central nervous system diseases such as psychosis and also in treating, for example, obesity, type II diabetes, metabolic syndrome, glucose intolerance, pain and ophthalmic diseases.
本发明涉及公式(I)的化合物或其药用可接受盐,其中R',R1至R7和Ar如本文所述定义。这些化合物作为
磷酸二酯酶10(PDE10A)的
抑制剂,可用于治疗中枢神经系统疾病,如精神疾病,也可用于治疗例如肥胖、II型糖尿病、代谢综合征、
葡萄糖不耐症、疼痛和眼科疾病。