Process for the manufacture of N-(substituted)-3-aminoacrylonitr

Details Process for the manufacture of N-(substituted)-3-aminoacrylonitr Process for the manufacture of N-(substituted)-3-aminoacrylonitr

1978-11-22

1980-03-25

Brust, Joseph Paul

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

2604655R, C07C12000

Patent

active

041950348

ABSTRACT:
A process for the manufacture of N-(substituted)-3-aminoacrylonitriles of the formula N--(R.sub.1 R.sub.2)--CH.dbd.CH--CN where R.sub.1 is alkyl, phenyl, phenyl substituted with alkyl and/or --NH.sub.2 groups, or --(CH.sub.2).sub.n --NH--CH.dbd.CH--CN and R.sub.2 is hydrogen or alkyl with the proviso that when R.sub.1 is --(CH.sub.2).sub.n --NH--CH.dbd.CH--CN R.sub.2 is hydrogen, n being 1 to 8. The process comprises contacting cyanoacetylene with the appropriate amine in the presence of an inert atmosphere and at low temperatures, especially less than 40.degree. C., and recovering the product at a temperature of not greater than 50.degree. C.

REFERENCES:
patent: 3001995 (1961-09-01), Frazza et al.
C.A., 76 (1972), Kostyanovskii, et al., 45512d.
C.A., 86 (1977), Hong, et al., 29183y.
Broeckx, et al., Tetrahedron 27(15), 1971, pp. 3527-3534.
Kostyanovskii, et al., C.A., 63, (1965), 1684c, as well as english translation of original paper.
Scotti, et al., 29, (1963), J. Org. Chem., pp. 1800-1808.
Papa, 31, (1965), J. Org. Chem., pp. 1426-1430.

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