(Z)-2-[(3aS,4S,6R,6aR)-6-(tert-Butyl-diphenyl-silanyloxymethyl)-2,2-dimethyl-tetrahydro-furo[3,4-d][1,3]dioxol-4-yl]-but-2-enedioic acid 在
乙酸酐 、
三氟乙酸 作用下,
生成
3-[(3aS,4S,6R,6aR)-6-(tert-Butyl-diphenyl-silanyloxymethyl)-2,2-dimethyl-tetrahydro-furo[3,4-d][1,3]dioxol-4-yl]-furan-2,5-dione