N-[1-(1,2,3,4-tetrahydroisoquinolin-6-yl)ethyl]acetamide trifluoroacetate 、
1-bromomethyl-4-ethoxy-2-methylbenzene 以to afford 40% of N-{1-[2-(4-ethoxy-2-methylbenzyl)-1,2,3,4-tetrahydroisoquinolin-6-yl]ethyl}acetamide的产率得到N-{1-[2-(4-ethoxy-2-methylbenzyl)-1,2,3,4-tetrahydroisoquinolin-6-yl]ethyl}acetamide