Two new ether-linked proanthocyanidins, epioritin-(4beta-->3)-epioritin-4beta-ol and epimesquitol-(4beta-->4)-epioritin-4beta-ol, were isolated from the heartwood of Acacia caffra. Their structures and absolute configurations were established by spectroscopic methods and syntheses.
两种新的醚连接
原花青素、epioritin-(4beta--> 3)-epioritin-4beta-ol 和epimesquitol-(4beta-->4)-epioritin-4beta-ol,从
金合欢心材中分离出来。它们的结构和绝对构型是通过光谱方法和合成确定的。