3-[[5-(2-cyanoethylsulfanyl)-2-[(1S,2S,10S,13R,14S,17R,18R)-2,18-dimethyl-17-[(2R)-6-methylheptan-2-yl]-5,7-dithiapentacyclo[11.7.0.02,10.04,8.014,18]icos-4(8)-en-6-ylidene]-1,3-dithiol-4-yl]sulfanyl]propanenitrile 、
2-溴乙醇 在
cesium hydroxide 作用下,
生成 2-[[2-[(1S,2S,10S,13R,14S,17R,18R)-2,18-dimethyl-17-[(2R)-6-methylheptan-2-yl]-5,7-dithiapentacyclo[11.7.0.02,10.04,8.014,18]icos-4(8)-en-6-ylidene]-5-(2-hydroxyethylsulfanyl)-1,3-dithiol-4-yl]sulfanyl]ethanol