| 发明名称 |
N-fluoropyridinium-Sulfonates and a process for their preparation |
| 摘要 |
A class of N-fluoropyridinium-sulfonates is provided along with a processw for making same. Starting pyridine sulfonic acids and acid salts are fluorine substituted at the pyridine nitrogen atom with dilute gaseous fluorine under liquid phase contacting conditions. The N-fluorine substituted products are excellent fluorinating agents which exhibit high specificity.
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| 申请公布号 |
US5081249(A) |
申请公布日期 |
1992.01.14 |
| 申请号 |
US19910650496 |
申请日期 |
1991.02.05 |
| 申请人 |
SAGAMI CHEMICAL RESEARCH CENTER;ONODA CEMENT COMPANY, LTD. |
发明人 |
UMEMOTO, TERUO |
| 分类号 |
C07B39/00;C07C17/093;C07C17/12;C07C37/62;C07C41/22;C07C45/30;C07C45/51;C07C45/54;C07C45/63;C07C49/167;C07C49/457;C07C49/463;C07C49/693;C07C49/697;C07C51/363;C07C67/307;C07C231/12;C07C253/30;C07C269/06;C07C315/04;C07C317/44;C07C319/20;C07C323/03;C07C323/09;C07C323/52;C07C323/59;C07D213/71;C07D213/89;C07D219/02;C07D491/04;C07J1/00;C07J13/00;C07J51/00 |
主分类号 |
C07B39/00 |
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