在
Dowex 50W*8 resin in the Na+ form 作用下,
以
四氢呋喃 、 水 为溶剂,
以27%的产率得到sodium 4,5-dihydro-1-(3-pyridinylmethyl)-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