Process for preparing Cinacalcet hydrochloride

A process for preparing cinacalcet base, comprising:

• providing compound V of the structure:
• converting the hydroxyl moiety of compound V into a good leaving group wherein a good leaving group is a conjugate base to obtain compound VI of the structure:
• and combining compound VI with (R)-1-Naphthylethylamine (NEA) in the presence of a base at a temperature of about 50° C. to about 120° C. to obtain cinacalcet base.