(R)-2-[2-bromo-4-fluoro-6-(prop-1-enyl)phenoxy]but-3-enyl 4-methylbenzenesulfonate 在
Dichlororuthenium;tricyclohexyl-[phenyl-(tricyclohexyl-lambda5-phosphanyl)methyl]-lambda5-phosphane 氮气 、 silica gel 作用下,
以
二氯甲烷 为溶剂,
反应 18.0h,
以gave 6.7 g (100%) of (R)-(8-bromo-6-fluoro-2H-chromen-2-yl)methyl-4-methylbenzenesulfonate as a grey solid的产率得到(R)-(8-bromo-6-fluoro-2H-chromen-2-yl)methyl-4-methylbenzenesulfonate