dimethyl (RS)-2-(<(1S,2R,4R)-2-hydroxy-7,7-dimethylbicyclo<2.2.1>heptan-1-yl>methylsulphinyl)maleate 、
环戊二烯 以
二氯甲烷 为溶剂,
反应 19.0h,
以68%的产率得到dimethyl (1S,2S,3R,4R)-2-((R)-(((1S,2R,4R)-2-hydroxy-7,7-dimethylbicyclo[2.2.1]heptan-1-yl)methyl)sulfinyl)bicyclo[2.2.1]hept-5-ene-2,3-dicarboxylate