[(2R,3R,4S,5S)-5-(6-amino-8-methylsulfanyl-[1,2,4]triazolo[3,4-f][1,2,4]triazin-3-yl)-4-methyl-3,4-bis[(4-methylbenzoyl)oxy]oxolan-2-yl]methyl 4-methylbenzoate 在
亚硝酸特丁酯 作用下,
以
四氢呋喃 为溶剂,
反应 2.5h,
以86%的产率得到[(2R,3R,4S,5S)-4-methyl-3,4-bis[(4-methylbenzoyl)oxy]-5-(8-methylsulfanyl-[1,2,4]triazolo[3,4-f][1,2,4]triazin-3-yl)oxolan-2-yl]methyl 4-methylbenzoate