New Eudesmane and Eremophilane Derivatives from Laggera Alata

• 出 处: Chinese Chemical Letters
• 发表日期: 2003年04期
• 关键词: moiety carbonyl isopropyl ketone conjugated therein Figure cytotoxic medicines c

From the aerial part of Laggera alata, a novel eremophilanoid (1) as well as two new eudesmanoids (2-3) were isolated. Their structures were elucidated by 2D-NMR technique and X-ray diffraction studies. The cytotoxic activities of these sesquiterpenes were also investigated.

The structures were elucidated by 2D-NMR technique and X-ray diffraction studies. The cytotoxic activities of these sesquiterpenes (1) as well as two new eudesmanoids were also investigated.