2-propynyl 3,4,5-trihydroxy-6-([4-(hydroxymethyl)anilino]carbonyloxy)tetrahydro-2H-2-pyrancarboxylate 、
对硝基苯基氯甲酸酯 在
吡啶 作用下,
以
乙腈 为溶剂,
反应 1.5h,
以52%的产率得到2-propynyl 6-([4-([(4-nitrophenoxy)carbonyl]oxymethyl)anilino]carbonyloxy)-3,4,5-trihydroxytetrahydro-2H-2-pyrancarboxylate