申请人:Puder Carsten H.
公开号:US20100331544A1
公开(公告)日:2010-12-30
The invention relates to a large-scale method for producing salts of (IR,5S) anhydroecgonine esters. The salt formation and selective crystallization of (IR,5S) anhydroecgonine esters with chiral acids is highly efficient in producing an enantiomer form, any undesired enantiomers and other impurities being removed. The ester and its salts are used as the starting material for producing active agents.
该发明涉及一种大规模生产(IR,5S)缺水异香草碱酯盐的方法。利用手性酸与(IR,5S)缺水异香草碱酯的盐形成和选择性结晶,在生产对映体形式上高效,任何不需要的对映体和其他杂质都被去除。该酯及其盐被用作生产活性剂的起始物质。