醋酸甲脒 、
5-Amino-3-methyl-2-methylsulfanyl-6-((2R,3R,4S,5S,6R)-3,4,5-trihydroxy-6-hydroxymethyl-tetrahydro-pyran-2-ylamino)-3H-pyrimidin-4-one 以
乙二醇甲醚 为溶剂,
反应 2.5h,
以61%的产率得到1-Methyl-2-methylsulfanyl-9-((2R,3R,4S,5S,6R)-3,4,5-trihydroxy-6-hydroxymethyl-tetrahydro-pyran-2-yl)-1,9-dihydro-purin-6-one