Preparation of 5-membered, 6-membered, or 7-membered cyclic...

C - Chemistry – Metallurgy – 07 – D

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260/292, 260/323

C07D 207/06 (2006.01) B01J 23/745 (2006.01) C07D 211/12 (2006.01) C07D 295/02 (2006.01) C07D 295/023 (2006.01)

Patent

CA 1220474

- 10 - O.Z. 0050/36690 Abstract of the Disclosure: 5-Membered, 6-membered or 7-membered cyclic imines are prepared by hydrogenating a C2-C4-alkanedinitrile in the liquid phase, at from 180 to 360°C and under superatmospheric pressure, in the presence of a catalyst, by a process in which an iron catalyst obtained by reduction of an iron oxide with hydrogen at 500°C is used.

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