Dehydrocyanation of aliphatic dinitriles

Details Dehydrocyanation of aliphatic dinitriles Dehydrocyanation of aliphatic dinitriles

1993-05-20

1994-10-04

Brust, Joseph Paul

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

Organic compounds

Nitriles

C07C29330

Patent

active

053528190

ABSTRACT:
Branched saturated dinitrile byproducts, e.g. 2-methylglutaronitrile, 2-ethylsuccinonitrile and mixtures thereof, are converted into useful ethylenic nitriles by dehydrocyanating same, in vapor phase, in the presence of an at least partially acidified cation exchange substrate, notably a molecular sieve, clay, acid oxide or lamellar phosphate.

REFERENCES:
patent: 2407848 (1946-09-01), Ray
patent: 3347902 (1967-10-01), Grasselli et al.
patent: 3507902 (1970-04-01), Rennkert et al.
patent: 3657313 (1972-04-01), Gale
patent: 3795694 (1974-03-01), Onsager

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