The present invention discloses selective and complete reduction of pyridine ring in a biaryl system comprising ∝-substituted or nonsubstituted benzene ring and relates more specifically, not exclusively, for the manufacture of methylphenidate, which is used for treatment of Attention Deficit Hyperactive Disorder (ADHD) and also acts as central nervous system stimulant, by using palladium/C in a solvent such as C1-C4 alcohols in presence of molar quantities of organic and/or inorganic acids.
本发明揭示了在包括α-取代或非取代苯环的双芳基系统中选择性和完全还原
吡啶环,并更具体地涉及,但不仅限于,用于制造用于治疗注意力缺陷多动障碍(ADHD)的甲基苯二酸酯的方法,该方法还充当中枢神经系统兴奋剂,使用
钯/碳在溶剂中,例如C1-C4醇中,在有机和/或
无机酸的摩尔量存在下。