High selectivity cyanoalkylation process

C - Chemistry – Metallurgy – 07 – C

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260/561.1

C07C 121/34 (1980.01)

Patent

CA 1119194

ABSTRACT OF THE DISCLOSURE In a cyanoalkylation process involving the reaction of a cyanoalkene compound such as acrylonitrile with a com- pound containing a labile hydrogen such as ethylene glycol, to form a cyanoalkylated product such as 3,3'-ethylenedioxy- bis(propionitrile), the conversion of the cyanoalkene is limited to about 60 to 96%, preferably 70 to 85%, whereby the formation of byproducts is reduced from that which is obtained when the conversion of the cyanoalkene is greater than about 96%.

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