2-(tert-Butyl-dimethyl-silanyloxy)-4,8-dioxa-tricyclo[5.1.1.0
1,6]nonan-5-one 、 2-(tert-Butyl-dimethyl-silanyloxy)-5,8-dioxa-tricyclo[5.1.1.0
1,6]nonan-4-one 在
sodium hydroxide 作用下,
生成
(1S,2R,3S,5S,7R)-3-(tert-Butyl-dimethyl-silanyloxy)-2-hydroxy-6-oxa-bicyclo[3.1.1]heptane-7-carboxylic acid methyl ester