How is N-benzyl-6-(4-phenylbutoxy)hexan-1-amine (CAS: 97664-55-6) typically synthesized?

N-benzyl-6-(4-phenylbutoxy)hexan-1-amine is typically synthesized using a multistep process involving alkylation and amine coupling reactions. The synthesis usually begins with the preparation of a benzyl halide followed by the introduction of the 4-phenylbutyl moiety through a coupling reaction with an appropriate amine. The reaction is catalyzed using palladium or other transition metals, with a high yield and good selectivity.