The present invention relates to novel piperidine derivatives of formula (I), wherein R1 represents benzofuran-2-yl, benzothien-2-yl, 3-trifluoromethylphenyl, 4- trifluoromethylphenyl, 4-trifluoromethoxyphenyl, 4-chlorophenyl, 2-chloro-4- cyanophenyl, 2-chloro-4-trifluoromethylphenyl, 6-trifluoromethylpyridin-3-yl or 3,5- dichlorophenyl; and R2 represents a group of formula (i), (ii) or (iii): with affinity for Ca,2.2 calcium channels and which are capable of interfering with Ca,2.2 calcium channels; to processes for their preparation; to pharmaceutical compositions containing them; and to the use of such compounds in the treatment of pain.
本发明涉及式(I)的新型
哌啶衍
生物,其中R1代表
苯并呋喃-2-基、
苯并噻吩-2-基、3-三
氟甲基苯基、4-三
氟甲基苯基、4-
三氟甲氧基苯基、4-
氯苯基、2-
氯-4-
氰基
苯基、2-
氯-4-三
氟甲基苯基、6-三
氟甲基吡啶-3-基或3,5-二
氯苯基;R2代表式(i)、(ii)或(iii)的基团:具有对Ca2.2
钙通道的亲和力,并且能够干扰Ca2.2
钙通道;以及它们的制备方法;含有它们的药物组合物;以及在疼痛治疗中使用这类化合物。