potassium acetate 、 ((2R,3R)-3-acetoxy-6-azido-3,6-dihydro-2H-pyran-2-yl)methyl acetate 在
manganese(III) triacetate dihydrate 、
乙酸酐 、
溶剂黄146 作用下,
以66%的产率得到[(3aR,4S,6R,7R,7aS)-7-acetyloxy-4-azido-2-oxo-3,3a,4,6,7,7a-hexahydrofuro[3,2-c]pyran-6-yl]methyl acetate