(5R)-(L-menthyloxy)-2(5H)-furanone 、
3,4-dimethyl-1-(2-pyridyl)-phosphole 在
1,2,3,4,5,6,7,8-八硫杂环辛烷 作用下,
以
5,5-dimethyl-1,3-cyclohexadiene 为溶剂,
反应 17.0h,
以0.447 g的产率得到(1S,2R,3R,6R,7S)-7,8-dimethyl-3-[(1R,2S,5R)-5-methyl-2-propan-2-ylcyclohexyl]oxy-9-pyridin-2-yl-1-sulfanylidene-4-oxa-1lambda5-phosphatricyclo[5.2.1.02,6]dec-8-en-5-one