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
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