The invention relates to processes for the preparation of the bicyclic oxazine carboxaldehyde Compound 1:
The invention also relates to the use of Compound 1 in the preparation of □-lactamase inhibitors.
本发明涉及制备双环氧噁啉羰基醛化合物1的工艺。本发明还涉及将化合物1用于制备□-内酰胺酶
抑制剂的用途。