1,1,1-trifluoro-2-(6-methanesulfonyl-4-methylchroman-4-ylmethyl)pent-4-yn-2-ol 、
trifluoromethanesulfonic acid 4-cyano-2-methyl-6-nitrophenyl ester 在
bis-triphenylphosphine-palladium(II) chloride
copper(l) iodide 、
三乙胺 作用下,
以
四氢呋喃 为溶剂,
反应 0.33h,
以44%的产率得到3-methyl-5-nitro-4-[5,5,5-trifluoro-4-hydroxy-4-(6-methanesulfonyl-4-methylchroman-4-ylmethyl)pent-1-ynyl]benzonitrile