发明授权
US06197185B1 Process for preparing beta lactam compound 失效
制备β-内酰胺化合物的方法

Process for preparing beta lactam compound
摘要:
The present invention provides a process for preparing an exo-methylenepenam compound represented by the general formula (5) characterized in that a &bgr;-lactam halide compound represented by the general formula (2) is subjected to an electroreduction process to obtain the exo-methylenepenam compound.
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