申请人:BIOCHEMIE Gesellschaft m.b.H.
公开号:US05597914A1
公开(公告)日:1997-01-28
A process for etherifying the hydroxymethyl group in position 3 of a cephalosporin by reaction of a 3-hydroxymethyl cephalosporin with an dioxycarbenium-tetrafluoroborate.
一种通过将3-羟甲基头孢菌素与二氧化碳四氟硼酸盐反应来对头孢菌素中3位羟甲基基团进行醚化的方法。