US4155929A - Process for the preparation of an acetonitrile derivative - Google Patents

http://www.google.de/patents?hl=de&lr=&vid=USPAT4155929&id=p-YyAAAAEBAJ&oi=fnd&dq=US+4155929&printsec=abstract#v=onepage&q=Valpr

Process for the preparation of di-n-propyl acetonitrile of the formula: ##STR1## whereby, in a single step, sodium n-propylate in n-propanol medium is added to a reaction medium which is formed of a cyanacetate of general formula: ##STR2## in which R…