Unsaturated dinitrile preparation

Details Unsaturated dinitrile preparation Unsaturated dinitrile preparation

1976-01-13

1977-05-03

Brust, Joseph Paul

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

260464, 260465H, C07C12000

Patent

active

040214656

ABSTRACT:
In processes of preparing unsaturated dinitriles from olefins, unsaturated mononitriles, and a monoadduct reaction product of an olefin and an unsaturated mononitrile in which undesirable internally unsaturated monoadduct is formed, the improvement of inhibiting the formation of internally unsaturated monoadduct by decomposing at least a portion of the recycle stream of monoadduct to form olefin and unsaturated mononitrile, and passing the thus-formed olefin and unsaturated mononitrile to the reaction.

REFERENCES:
patent: 2641607 (1953-06-01), Albisetti, Jr. et al.
patent: 3247237 (1966-04-01), Hagemeyer, Jr.
patent: 3840583 (1974-10-01), Turk et al.
Albisetti, et al.; J.A.C.S., 78, (1956), pp. 2637-2641.
Hoffmann, Angewandti Chemie, vol. 8, (1969), pp. 556-577.

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