How is 3-Amino-2-azepanone hydrochloride (CAS: 29426-64-0) typically synthesized?

3-Amino-2-azepanone hydrochloride is typically synthesized through the reaction of 3-azepanone with ammonia followed by the addition of hydrochloric acid. The synthesis involves the use of basic conditions to form the amine and then acidification to generate the hydrochloride salt. The yield and selectivity of the reaction can be influenced by temperature and the concentration of reactants.