Imidazole-1-carboxylic acid (2R,3R,4R,5R)-5-(5-methyl-2,4-dioxo-3,4-dihydro-2H-pyrimidin-1-yl)-4-[1,2,4]triazol-1-yl-2-trityloxymethyl-tetrahydro-furan-3-yl ester 在
偶氮二异丁腈 、
三正丁基氢锡 作用下,
以
甲苯 为溶剂,
反应 2.0h,
以70%的产率得到1-<5-O-trityl-2-(1,2,4-triazol-1-yl)-2,3-dideoxy-β-D-erythro-pentofuranosyl>thymine