2-Diazo-3-oxo-butyric acid (2R,3S,5R)-2-(tert-butyl-diphenyl-silanyloxymethyl)-5-(2,4-dioxo-3,4-dihydro-2H-pyrimidin-1-yl)-tetrahydro-furan-3-yl ester 在
dirhodium tetraacetate 作用下,
以
二氯甲烷 为溶剂,
反应 1.5h,
生成 、 1-[(3S,3aR,4R,6R,6aS)-3-acetyl-6-[[tert-butyl(diphenyl)silyl]oxymethyl]-2-oxo-3a,4,6,6a-tetrahydro-3H-furo[2,3-c]furan-4-yl]pyrimidine-2,4-dione