在
Dowex 50*8 resin in the Na+ form 作用下,
以
四氢呋喃 、 水 为溶剂,
反应 0.5h,
以45%的产率得到sodium 4,5-dihydro-1-methyl-4-(sulfooxy)-2,5-methano-2H-1,2,4-benzotriazepin-3(1H)-one
参考文献:
名称:
Novel heterocyclic compounds, preparation process and intermediates, and use as medicaments, in particular as B-lactamase inhibitors and antibacterials