Preparation of 3-methylpiperidine

Details Preparation of 3-methylpiperidine Preparation of 3-methylpiperidine

1987-06-15

1988-07-05

Schwartz, Richard A.

Organic compounds -- part of the class 532-570 series

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

540612, 548579, C07D21112, C07D21102

Patent

active

047556048

ABSTRACT:
5-Membered, 6-membered or 7-membered cyclic imines are prepared by hydrogenating a C.sub.2 -C.sub.4 -alkanedinitrile in the liquid phase, at from 180.degree. to 300.degree. 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 .ltoreq.500.degree. C. is used.

REFERENCES:
patent: 2200282 (1940-05-01), Lazier
patent: 2790804 (1957-04-01), Silverstone
patent: 3082067 (1963-03-01), Hund

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