申请人:Glaxo Group Limited
公开号:US04440938A1
公开(公告)日:1984-04-03
The invention relates to a process for the preparation of ranitidine of formula (I) ##STR1## which comprises reacting a thiol of formula (II) ##STR2## with an alkylating agent of formula (III) ##STR3## The ethyleneimino derivative of formula (III) is a novel compound.
该发明涉及一种制备化学式(I)的雷尼替丁的过程,其中包括将化学式(II)的硫醇与化学式(III)的烷基化剂反应。化学式(III)的乙烯亚胺衍生物是一种新化合物。