Citation: Suo Ming ZHANG, Gui Ling ZHAO, Rong LI, Guo Qiang LIN. Eremophilane Sesquiterpenes from Cacalia Roborowskii[J]. Chinese Chemical Letters, ;1998, 9(1): 61-64.
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Four new eremophilane type sesquiterpenes were isolated from the roots of Cacalia roborowskii (Maxim) Ling. Their structures were established as 8-oxo-eremophila-6, 9-dien-12-oic acid (1), 3β-acetoxyl-8-oxo-eremophila-6, 9-dien-12-oic acid (2), 3β-aiigeloyoxyl-8-oxo-eremophila-6, 9-dien-12-oic acid (3) and 3β-(2-methylbutyryloxyl)-8-oxo-eremophila-6, 9-dien-12-oic acid (4) by means of ID and 2D NMR spectroscopy.
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Keywords:
- eremophilane,
- sesquiterpene,
- Cacalia roborowskii
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