The present invention relates to compounds of formula I
wherein R
1
is as defined in the specification
and to esters thereof which are hydrolyzable under physiological conditions and to the pharmaceutically acceptable salts thereof. The compounds of the invention are inhibitors of COMT and, thus, are useful for the treatment of diseases for which COMT inhibition is beneficial. The invention further relates to the treatment, control, or prevention of diseases such as depression, schizophrenia, Parkinson's disease, and to improve cognition.
本发明涉及以下式I的化合物
其中R
1
如规范中定义
以及在生理条件下可
水解的酯及其药用可接受的盐。本发明的化合物是CO
MT的
抑制剂,因此对于CO
MT抑制有益的疾病的治疗是有用的。本发明还涉及治疗、控制或预防抑郁症、精神分裂症、帕
金森病以及改善认知的疾病。