4-Amino-1-[(R)-5-(tert-butyl-diphenyl-silanyloxymethyl)-3-fluoro-2,5-dihydro-furan-2-yl]-5-fluoro-1H-pyrimidin-2-one 在
triethylamine tris(hydrogen fluoride) 作用下,
以
四氢呋喃 为溶剂,
生成 5-fluoro-1-(2,3-dideoxy-2-fluoro-α-L-glycero-pent-2-enofuranosyl)cytosine 、 5-fluoro-1-(2,3-dideoxy-2-fluoro-β-L-glycero-pent-2-enofuranosyl)cytosine