申请人:Lonza, Ltd.
公开号:US04983743A1
公开(公告)日:1991-01-08
A process for the production of 5-alkyl tetramic acids from 4-alkoxy-3-pyrrolin-2-ones and aldehydes or ketones. By basic catalysis, 5-alkylidene-4-alkoxy-3-pyrrolin-2-ones are first formed, which are converted into the target compounds by cleavage of the alkoxy group and catalytic hydrogenation.
一种从4-烷氧基-3-吡咯烷-2-酮和醛或酮中生产5-烷基四酰胺酸的过程。通过碱性催化,首先形成5-烷基亚甲基-4-烷氧基-3-吡咯烷-2-酮,然后通过断裂烷氧基和催化加氢转化为目标化合物。