Process for the preparation of acyl cyanide compounds

Details Process for the preparation of acyl cyanide compounds Process for the preparation of acyl cyanide compounds

1977-03-11

1979-03-06

Schwartz, Gerald A.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

2603478, 2603323R, 2603323P, 2603265A, 260307H, 260307R, 260307D, 260308R, 260308A, 260308B, 260464, 2604655R, 260465F, 2604651, 260465R, 260465G, 544106, 548373, 548375, 548377, 548378, 548335, 560155, 560 19, 560125, C07C 5154, C07C12000

Patent

active

041430689

ABSTRACT:
Acyl cyanides of the formula ##STR1## wherein R is alkyl or substituted alkyl with 1 to 8 carbon atoms, or cyano-carbonyl substituted alkyl, i.e., containing another ##STR2## group, cycloalkyl or substituted cycloalkyl with 3 to 12 carbon atoms or aryl or substituted aryl or represents an optionally substituted 5-membered or 6-membered heterocyclic radical which can additionally also be fused with a benzene ring,
Are made by reacting the corresponding acid halide with an alkali metal cyanide or anhydrous hydrocyanic acid in the presence of a heavy metal cyanide and optionally in the presence of a diluent, at a temperature of between 100.degree. C. and 300.degree. C.

REFERENCES:
smith, "The Chemistry of Open-Chain Organic Nitrogen Compounds", vol. I, (1965), p. 218.
Thesing et al., Angew. Chem., vol. 68, pp. 425-435, (1956).

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