甲醇 、
(1R,3R,5R,6S,10R)-3-(benzyloxymethyl)-8-(tert-butyldimethylsiloxy)-6-(dimethyl(phenyl)silyl)-10-hydroxy-2-oxabicyclo[3.3.2]dec-7-en-9-one 在
lead(IV) tetraacetate 作用下,
以
苯 为溶剂,
反应 1.0h,
以95%的产率得到(2R,5R,6R,8R)-methyl 8-(benzyloxymethyl)-3-(tert-butyldimethylsiloxy)-5-(dimethyl(phenyl)silyl)-6-formyl-5,6,7,8-tetrahydro-2H-oxocine-2-carboxylate