Process for the preparation of nitroethene derivatives

Details Process for the preparation of nitroethene derivatives Process for the preparation of nitroethene derivatives

C - Chemistry, Metallurgy

07

D

260/367.4, 260/3

C07D 277/28 (2006.01) C07D 307/52 (2006.01)

Patent

CA 1321594

A B S T R A C T A new process for the preparation of the nitroethene derivatives, ranitidine and nizatidine, is described which takes place via new 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.

561588

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