Commercial Synthesis of Cefprozil: Development and Control of Process Impurity
摘要:
A process impurity, ethoxycarbonylcefprozil (9), formed in the synthesis of cefprozil (1) was controlled with addition of a catalytic amount of methanesulfonic acid.
Commercial Synthesis of Cefprozil: Development and Control of Process Impurity
摘要:
A process impurity, ethoxycarbonylcefprozil (9), formed in the synthesis of cefprozil (1) was controlled with addition of a catalytic amount of methanesulfonic acid.