(1R,2S,3S,4E,6S,7S,8R,9S)-2-hydroxy-3-methanesulfonyloxy-6-methoxy-4,11,11-trimethyl-7-triethylsilyloxy-12-oxatricyclo[6.3.2.0(1,9)]tridec-4-en-13-one 在
sodium tetrahydroborate 、
tris-(dibenzylideneacetone)dipalladium(0) 、
三丁基膦 作用下,
以
1,4-二氧六环 为溶剂,
反应 3.0h,
以74%的产率得到(1R,2S,4E,6S,7S,8R,9S)-2-hydroxy-6-methoxy-4,11,11-trimethyl-7-triethylsilyloxy-12-oxatricyclo[6.3.2.0(1,9)]tridec-4-en-13-one