(1R,4S)-(-)-N-benzyl-2-exo-(<(1S,2R,4R,RS)-2-hydroxy-7,7-dimethylbicyclo<2.2.1>heptan-1-yl>methylsulfinyl)bicyclo<2.2.1>hept-5-ene-2-endo,3-endo-dicarboximide 在
sodium tetrahydroborate 作用下,
以94%的产率得到(1R,2R,6S,7S)-4-Benzyl-5-hydroxy-2-((R)-(1S,2R,4R)-2-hydroxy-7,7-dimethyl-bicyclo[2.2.1]hept-1-ylmethanesulfinyl)-4-aza-tricyclo[5.2.1.0
2,6]dec-8-en-3-one