(2,3,4,6-tetra-O-acetyl-α-D-glucopyranosyl)-1-propene 、
(-)-menthone nitrone 以
甲苯 为溶剂,
反应 36.0h,
以88%的产率得到(2R,3R,4R,5S,6R)-2-(acetoxymethyl)-6-(((1S,2S,2'S,3a'S,5R)-2-isopropyl-5,5'-dimethyl-4'-oxotetrahydro-2'H-spiro[cyclohexane-1,6'-imidazo[1,5-b]isoxazol]-2'-yl)methyl)tetrahydro-2H-pyran-3,4,5-triyl triacetate