Manufacturing process for preparing disubstituted (N-cyanoimido)

Details Manufacturing process for preparing disubstituted (N-cyanoimido) Manufacturing process for preparing disubstituted (N-cyanoimido)

1980-01-24

1981-11-03

Love, Ethel G.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

2603407, 2603409R, C07C12508, C07D31904, C07D31710

Patent

active

042985447

ABSTRACT:
A process for the manufacture of disubstituted (N-cyanoimido)carbonate of the formula: ##STR1## in which R.sup.1 and R.sup.2 are the same and are alkyl radicals of 1 to 6 carbon atoms or phenyl radicals, or R.sup.1 and R.sup.2 are joined to form an ethylene or propylene chain which is optionally substituted by 1 or 2 alkyl radicals each of 1 to 3 carbon atoms, by reaction of a disubstituted imidocarbonate of the formula: ##STR2## with cyanamide, characterized in that the reaction is conducted in a two phase system containing water and a water-immiscible organic solvent.

REFERENCES:
patent: 2708189 (1955-05-01), Nelb et al.
patent: 2881071 (1959-04-01), Buckman et al.
patent: 4235802 (1980-11-01), Fuchs
Huffman et al., J. Org. Chem., 28, pp. 1816-1821 (1963).
Heitke et al., J. Org. Chem., 39, 1522-1526 (1974).
Addor, J. Org. Chem. 29, 738-742 (1964).
Nef, Annalen, 287, 310-325 (1895).
Allenstein et al., Chem. Ber. 100 (8), pp. 2604-2615.

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