N-substituted azaheterocycyclic carboxylic acids and esters thereof of the formula I
wherein Z, X, R1, R2 and r are defined in the specification. Compositions thereof and methods for preparing the compounds are disclosed. The compounds are useful for clinical treatment of painful, hyperalgesic and/or inflammatory conditions in which C-fibers play a pathophysiological role by eliciting neurogenic pain or inflammations.
本发明公开了式I中Z、X、R1、R2和r在说明书中定义的N-取代的杂
环羧酸及其
酯类。公开了这些化合物的组成及其制备方法。这些化合物在临床治疗C纤维通过引起神经源性疼痛或炎症所起的病理生理作用的疼痛、高敏感和/或炎症病症中非常有用。