申请人:AstraZeneca AB.
公开号:US20030149280A1
公开(公告)日:2003-08-07
There is provided a process for the production of a N-protected azetidine-2-carboxylic acid, which process comprises the steps of: (a) addition of base to an aqueous solvent comprising an organic acid addition salt of an azetidine-2-carboxylic acid; and (b) addition of protecting agent to the resultant reaction mixture.
提供一种制备N-保护的氮杂环-2-羧酸的方法,该方法包括以下步骤:(a)向含有氮杂环-2-羧酸的有机酸加盐的水溶液中加入碱;和(b)向所得反应混合物中加入保护试剂。