A new process for the preparation of the nitroethane derivatives, ranitidine and nizatidine, is described which takes place via intermediate products and enables the said compounds to be prepared with a higher degree of purity. Another advantage is that in contrast to the known processes, it is not accompanied by the liberation of the highly toxic and malodorous compound, methylmercaptan.
一种制备
硝基乙烷衍
生物,
雷尼替丁和
尼扎替丁的新工艺被描述,该工艺通过中间产物进行,并使得所述化合物可以以更高纯度制备。另一个优点是,与已知的工艺相比,它不会伴随着高度有毒和恶臭的
甲硫醇化合物的释放。