How is trans-4-[4-(Cyclopropylmethyl)-1-piperazinyl]cyclohexanamine (CAS: 876461-31-3) typically synthesized?

Trans-4-[4-(Cyclopropylmethyl)-1-piperazinyl]cyclohexanamine is typically synthesized via a multistep process starting from cyclohexanone and piperazine. Key steps include nucleophilic substitution and alkylation reactions. The synthesis involves the use of standard organic solvents and reagents, with yields ranging from 50% to 70%. The final product is purified by recrystallization or chromatography.