Process for the production of endotropine

Details Process for the production of endotropine Process for the production of endotropine

C - Chemistry, Metallurgy

07

D

C07D 451/06 (2006.01) B01J 25/00 (2006.01) B01J 25/02 (2006.01) C07D 451/02 (2006.01) C07D 471/04 (2006.01) C07B 61/00 (2006.01)

Patent

CA 2238170

The invention relates to a process for the production of endotropine by reducing tropanone with hydrogen catalytically activated by Raney nickel or Raney copper. The prior art processes known from US patents 2,366,760 and 2,746,976 use an overpressure and organic solvents, so that there is a high fire and explosion risk when working up the reaction batch. This problem is obviated by the invention in that the tropanone, in aqueous solution with hydrogen, in a closed system, at atmospheric pressure and ambient temperature, is subject to turbulent action at 1000 to 1500 r.p.m. The process according to the invention leads to average yields of 94%.

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