Process for the production of aminomalonic acid dinitrile as an

Details Process for the production of aminomalonic acid dinitrile as an Process for the production of aminomalonic acid dinitrile as an

1979-01-19

1980-07-15

Brust, Joseph Paul

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

260465E, 2604655R, C07C12142, C07C12160

Patent

active

042128188

ABSTRACT:
Process for the production of aminomalonic acid dinitrile from a malonic acid dinitrile compound, such as oximinomalonic acid dinitrile or phenylazomalonic acid dinitrile. The reaction is carried out at an elevated hydrogen pressure in the presence of Raney catalysts and a solvent. When tetrahydrofurane is used as a solvent, the reaction product is precipitated with p-toluene sulfonic acid. When acetic anhydride is used as solvent, the reaction product is precipitated as acetyl aminomalonic acid dinitrile.

REFERENCES:
patent: 3670007 (1972-06-01), Ferris
patent: 3810935 (1974-05-01), Leimgruber et al.
Ferris et al., J.A.C.S., 87 (1965), pp. 4976-4977.
Ferris et al., J.A.C.S., 88 (1966), pp. 3829-3831.
C.A., 77, 100866v (1972), Ferris.
Ferris, et al., Org. Syn., 48, pp. 1-3, (1970).

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