tert-butyl (1SR,2SR,3RS,4RS)-2-[(4-bromophenyl)sulfonyl]-3-[(2-naphthylmethyl)amino]-7-azabicyclo[2.2.1]heptane-7-carboxylate 、
(prop-2-yn-1-yloxy)cyclobutane 在
bis-triphenylphosphine-palladium(II) chloride 、
copper(l) iodide 作用下,
以
二乙胺 为溶剂,
反应 15.0h,
以50%的产率得到tert-butyl (1SR,2SR,3RS,4RS)-2-({4-[3-(cyclobutyloxy)-1-propyn-1-yl]phenyl}sulfonyl)-3-[(2-naphthylmethyl)amino]-7-azabicyclo[2.2.1]heptane-7-carboxylate