1-((3aR,4R,6S,7aR)-7-Hydroxy-2,2,6-trimethyl-tetrahydro-[1,3]dioxolo[4,5-c]pyran-4-yl)-5-methyl-1H-pyrimidine-2,4-dione 在
3 A molecular sieve 、
pyridinium chlorochromate 作用下,
以
二氯甲烷 为溶剂,
反应 2.0h,
以60%的产率得到1-(6'-deoxy-2',3'-O-isopropylidene-α-L-lyxo-hexopyranos-4'-ulosyl)thymine