发明名称 |
Process for preparing new imidazolemethylphosphonium salts |
摘要 |
New imidazolemethylphosphonium salts having a degradable group at the 2-position which are useful intermediates for preparing histamine H2 antagonists. This invention concerns the preparation of imidazolemethylphosphonium salts having no substituent at the 2-position by heating the compounds referred to above.
|
申请公布号 |
US4163858(A) |
申请公布日期 |
1979.08.07 |
申请号 |
US19780884658 |
申请日期 |
1978.03.08 |
申请人 |
SK & F LAB CO PUERTO RICO |
发明人 |
LABAW, CLIFFORD S;WEBB, ROBERT L;WELLMAN, GEORGE R |
分类号 |
C07D233/64;C07D233/84;C07D233/90;C07F9/6506;(IPC1-7):C07D231/14 |
主分类号 |
C07D233/64 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|