(1S,3'R,4'S,5'R,6'R)-3',4',5'-triacetoxy-6'-(acetoxymethyl)-5-chloro-3',4',5',6'-tetrahydro-6-[(4-(trifluoromethanesulfonyloxy)phenyl)methyl]-spiro[isobenzofuran-1(3H),2'-[2H]pyran] 、
三甲基乙炔基硅 在
bis-triphenylphosphine-palladium(II) chloride
copper(l) iodide 、
三乙胺 作用下,
以
N,N-二甲基甲酰胺 为溶剂,
反应 2.0h,
以28.6%的产率得到(1S,3'R,4'S,5'R,6'R)-3',4',5'-triacetoxy-6'-(acetoxymethyl)-5-chloro-3',4',5',6'-tetrahydro-6-[(4-(2-trimethylsilylethynyl)phenyl)methyl]-spiro[isobenzofuran-1(3H),2'-[2H]pyran]