申请人:Glaxo Group Limited
公开号:US04399293A1
公开(公告)日:1983-08-16
Ranitidine is prepared by reacting a compound of formula (II) ##STR1## with aziridine. The reaction may be carried out in the absence of a solvent or preferably in the presence of a solvent such as water or an alkanol at elevated temperature.
Ranitidine是通过将化学式(II)的化合物与氮杂环丙烷反应制备的。该反应可以在无溶剂的情况下进行,或者更好地在存在溶剂(如水或烷醇)的情况下,在高温下进行。