2-(3,4-dihydroxyphenyl)-5,7-dihydroxy-4-oxo-4H-chromen-3-yl 7-(2-(2,2-dimethyl-4H-benzo[d][1,3]dioxin-6-ylamino)-2-oxoethylamino)-7-oxoheptanoate 在
盐酸 作用下,
以
四氢呋喃 为溶剂,
反应 1.5h,
以36%的产率得到2-(3,4-dihydroxyphenyl)-5,7-dihydroxy-4-oxo-4H-chromen-3-yl7-(2-(4-hydroxy-3-(hydroxymethyl)phenylamino)-2-oxoethylamino)-7-oxoheptanoate