synthesis of carbamate or urea compounds

摘要

The invention relates to the synthesis of carbamate and urea compounds. In particular, the invention is directed to the synthesis of carbamate and urea compounds which may be used in the production of compounds that are used to stabilize nitrocellulose. The method of the invention comprises preparing a carbamate or urea derivative comprising reacting an amine and a carbonate or carbamate in the presence of an ionic liquid.