2-乙酰氨基-2-脱氧-3,4,6-三-邻乙酰基-beta-d-吡喃葡萄糖胺 、
2-乙酰基-5,5-二甲基-1,3-环己二酮 以
甲醇 为溶剂,
反应 5.0h,
以to give 2-Acetamido-3,4,6-tri-O-acetyl-1,2-dideoxy-1-[1-(4,4-dimethyl-2,6-dioxocyclohex-1-ylidene)ethylamino]-β-D-glucopyranose (19) (70 mg, 60%)的产率得到2-Acetamido-3,4,6-tri-O-acetyl-1,2-dideoxy-1-[1-(4,4-dimethyl-2,6-dioxocyclohex-1-ylidene)ethylamino]-β-D-glucopyranose