主权项 |
1.一类氢醌和苯醌吡喃碳糖苷化合物,其特征结构式分别如下所示:(1)氢醌类毗喃碳糖苷化合物:<img file="C2003101090920002C1.GIF" wi="603" he="343" /><img file="C2003101090920002C2.GIF" wi="562" he="342" />式1 式2<img file="C2003101090920002C3.GIF" wi="583" he="341" /><img file="C2003101090920002C4.GIF" wi="546" he="340" />式3 式4(2)苯醌类吡喃碳糖苷化合物:<img file="C2003101090920002C5.GIF" wi="603" he="344" /><img file="C2003101090920002C6.GIF" wi="563" he="342" />式5 式6<img file="C2003101090920002C7.GIF" wi="580" he="339" /><img file="C2003101090920002C8.GIF" wi="544" he="342" />式7 式8 |