Process for the preparation of 2-cyanomethycyclohexanone.

摘要

@ The invention relates to a process for the preparation of 2-cyanomethylcyclohexanone by
<UnorderedLists id="ula01" listStyle="none"><ListItem>1. converting cyclohexanone to a Mannich base with a secondary amine salt and formaldehyde</ListItem><ListItem>2. converting the Mannich base to the corresponding cyanohydrin with a cyanide</ListItem><ListItem>3. pyrolysing the cyanohydrin obtained in step 2 wherein</ListItem></UnorderedLists>
the pyrolvsis of the cyanohydrin is carried out in the presence of a polar, aprotic solvent having a boiling point of more than 140 °C and/or sodium cyanide.