O-(2,3,4,6-tetra-O-acetyl-β-D-mannopyranosyl)-(1->4)-2-acetamido-1,3,6-tri-O-acetyl-2-deoxy-D-glucopyranose 在
劳森试剂 作用下,
以
甲苯 为溶剂,
反应 1.5h,
生成
O-(2,3,4,6-tetra-O-acetyl-β-D-mannopyranosyl)-(1->4)-(3,6-di-O-acetyl-1,2-dideoxy-α-D-glucopyrano)-[2,1-d]-2-methylthiazoline 、