申请人:GLAXO WELLCOME INC.
公开号:EP0433048A1
公开(公告)日:1991-06-19
A method of preparing certain substituted alkali metal 4-carboxy-piperidine salts (I) by alkaline hydrolysis of certain novel substituted 1,3,8-triazaspiro[4.5]decane-2, 4-diones (IV) which in turn are obtained from certain novel substituted chlorosulphonylamido piperidines (III).
一种通过碱性水解某些新型取代的 1,3,8-三氮杂螺[4.5]癸烷-2,4-二酮(IV)制备某些取代的碱金属 4-羧基哌啶盐(I)的方法,这些新型取代的 1,3,8-三氮杂螺[4.5]癸烷-2,4-二酮又是从某些新型取代的氯磺酰氨基哌啶(III)中得到的。