Hydrogenation of nitriles in ammonia and water

Details Hydrogenation of nitriles in ammonia and water Hydrogenation of nitriles in ammonia and water

1978-12-27

1981-02-03

Niebling, John F.

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

Organic compounds

Amino nitrogen containing

C07C 8300, C07C 8702

Patent

active

042487994

ABSTRACT:
Branched-chain aliphatic dinitriles are catalytically hydrogenated to yield branched-chain aliphatic diamines. This catalytic hydrogenation is conducted in the presence of Raney cobalt or Raney nickel, optionally promoted with Group VIB metals or reducible Group VIB metal compounds, and further in the presence of low levels of ammonia and water.

REFERENCES:
patent: 2449036 (1948-09-01), Grunfeld
patent: 2773962 (1956-12-01), Heaton
patent: 2790804 (1957-04-01), Silverstone
patent: 3384666 (1968-05-01), Lichtenwalter
patent: 3408397 (1968-10-01), Feldman et al.
patent: 3488390 (1970-01-01), Carss et al.
patent: 3574754 (1971-04-01), Specken
patent: 3821305 (1974-06-01), Bartalini et al.
patent: 3962337 (1976-06-01), Drake
patent: 4003933 (1977-01-01), Drake

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