Process for the manufacture of...

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C - Chemistry, Metallurgy

07

C

260/560.1, 260/5

C07C 121/42 (1980.01)

Patent

CA 1068301

ABSTRACT OF THE DISCLOSURE A process for the manufacture or N-(substituted)-3- aminoacrylonitriles is disclosed. In particular a process is aisclosed for the manufacture of N-(R1R2)-CH=CH-CN where R1 is alkyl, phenyl, phenyl substituted with alkyl and/or -NH2 groups, or -(CH2)n-NH-CH=CH-CN and R2 is hydrogen or alkyl with the proviso that when R1 is -(Ch2)n-NH-CH=CH-CN R2 is hydrogen, n being 1 to 8. The process comprises contacting cysnoacetylene with the appropriate amine in the presence of an inert atmosphere and at low temperatures, especially less than 40°C, and recovering the product at a temperature of not greater than 50°C. The N-(substituted)-3-aminoacryloni?riles may be copolymerized with other ethylenically unsaturated monomers to give copolymers con- taining basic centres. Such copolymars may be used to improve the dyeability of synthetic fibres with acid dyes, ?? ion-exchange resins and as oil additives.

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