乙酸酐 、
1,6-anhydro-4-deoxy-4-<(1S)-(1,4,6/5)-4,5,6-trihydroxy-3-hydroxymethylcyclohex-2-enylamino>-β-D-mannopyranose 在
吡啶 作用下,
反应 5.0h,
生成 2,3-di-O-acetyl-1,6-anhydro-4-deoxy-4-<(1S)-(1,4,6/5)-4,5,6-triacetoxy-3-acetoxymethylcyclohex-2-enylamino>-β-D-mannopyranose