1,7-bis[4-hydroxy-4'-(2,3,4,6-tetra-O-acetyl-α-D-glucosyloxy)-3,3'-dimethoxyphenyl]-1,6-(heptadiene-3,5-dione) 在
sodium methylate 、 Dowex 50WX 作用下,
以
甲醇 为溶剂,
反应 0.5h,
以85%的产率得到1,7-bis[4-hydroxy-4'-α-D-glucosyloxy-3,3'-dimethoxyphenyl]-(1,6-heptadiene-3,5-dione)