2-C-methyl-3,5-di-O-(4-methylbenzoyl)-D-ribofuranose 在
sodium hydride 作用下,
以
乙二醇二甲醚 为溶剂,
反应 3.75h,
生成 (2R,3R,4S,5S)-5-(cyanomethyl)-4-hydroxy-4-methyl-2-(((4-methylbenzoyl)oxy)methyl)tetrahydrofuran-3-yl 4-methylbenzoate 、
[(2R,3R,4S,5R)-5-(cyanomethyl)-4-hydroxy-4-methyl-3-(4-methylbenzoyl)oxyoxolan-2-yl]methyl 4-methylbenzoate