Acetic acid (2R,3S,5R)-2-acetoxymethyl-5-[5-ethynyl-3-(4-methyl-benzoyl)-2,4-dioxo-3,4-dihydro-2H-pyrimidin-1-yl]-tetrahydro-furan-3-yl ester 在
偶氮二异丁腈 、
三正丁基氢锡 、
[18F]fluoride 作用下,
以
甲苯 、
一氟三氯甲烷 为溶剂,
反应 1.12h,
生成 1-(3,5-Di-O-acetyl-2-deoxy-β-D-erythro-pentofuranosyl)-3-p-toluoyl-5-vinylpyrimidin-2,4-dione 、 1-(3,5-Di-O-acetyl-2-deoxy-β-D-erythro-pentofuranosyl)-3-p-toluoyl-(Z)-5-(2-[18F]fluorovinyl)pyrimidin-2,4-dione 、 1-(3,5-Di-O-acetyl-2-deoxy-β-D-erythro-pentofuranosyl)-3-p-toluoyl-(E)-5-(2-[18F]fluorovinyl)pyrimidin-2,4-dione