发明授权
- 专利标题: Cephalosporin intermediate
- 专利标题(中): 头孢菌素中间体
-
申请号: US852003申请日: 1986-04-14
-
公开(公告)号: US4665168A公开(公告)日: 1987-05-12
- 发明人: Ta-Sen Chou , Perry C. Heath
- 申请人: Ta-Sen Chou , Perry C. Heath
- 申请人地址: IN Indianapolis
- 专利权人: Eli Lilly and Company
- 当前专利权人: Eli Lilly and Company
- 当前专利权人地址: IN Indianapolis
- 主分类号: C07D501/04
- IPC分类号: C07D501/04 ; C07D501/18 ; C07D501/38
摘要:
7-Amino-3-pyridiniummethyl (and substituted pyridiniummethyl)-3-cephem-4-carboxylic acid hydrothiocyanate salts and a process for the preparation thereof are provided. The salts are useful for recovering the pyridinium nuclei from reaction mixtures in which they are formed or used.
公开/授权文献
- US5961185A Shielded cutterhead with small rolling disc cutters 公开/授权日:1999-10-05
信息查询