Process for preparing 2-guanidinomethyl-perhydroazocine-sulfate

Details Process for preparing 2-guanidinomethyl-perhydroazocine-sulfate Process for preparing 2-guanidinomethyl-perhydroazocine-sulfate

C - Chemistry, Metallurgy

07

D

260/237.95

C07D 225/02 (2006.01)

Patent

CA 1053449

Abstract The invention relates to a novel process for preparing 2-guanidinomethyl-perhydroazocine-sulfate of formula I Image /I/ comprising the steps of catalytically reducing the 2-nitromethylene perhydroazocine of formula IV Image /IV/ in acetone solution at a temperature of 20 to 50°C, treating the separated reaction product with an aqueous mineral acid and then reacting it with S-methyl-isothiocarbamid-sulfate. The process gives the desired end-product of formula I also on industrial scales.

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