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Citation: Zhi Hua Sun, Chang Qi Hu, Jin Yi Wang. A new sesquiterpene from Caragana intermediia[J]. Chinese Chemical Letters, ;2007, 18(11): 1379-1382. doi: 10.1016/j.cclet.2007.09.034 shu

A new sesquiterpene from Caragana intermediia

a School of Pharmacy, Fudan University, Shanghai 200032, China;
b College of Science, Northwest A & F University, Yangling 712100, China

Received Date: 20 June 2007

Fund Project: The program was supported by the National Natural Science Foundation of China (No.30 070 085) and partly supported by the startup fund of Northwest A&F University for Talent (No.01140410).We are very grateful to Ph.D.Baoping Wang,Ph.D.KeQing Cheng and Professor Huiping Zhang for the helps in anti-pyricularia oryzae P-2b activity assay.We also thank Professor Minqin Chen at Research Center of Analysis and Measurement of Fudan University for X-ray analysis,staff at Analysis Center of Institute of Organic Chemistry,Chinese Science Academy,for recording MS and NMR spectra.Finally we very appreciated Professor Yingxing Liu at Institute of Lanzhou Desertation of Chinese Academy of Sciences for the collection and identification of Caragana intermediia.

A new alloaromadendrane-type sesquiterpene, (-)-alloaromadendrane-3β, 9β-diol (1), has been isolated from the aerial part of Caragana intermediia. The structure of (-)-alloaromadendrane-3β, 9β-diol (1) was established by spectroscopic methods, including X-ray analysis that provided its relative stereochemistry. Bioassay showed that (-)-alloaromadendrane-3β, 9β-diol (1) possesses anti-pyricularia oryzae P-2b activity with MIC value of 10 μg/mL.
- Caragana intermediia,
- Leguminosae,
- Sesquiterpene,
- (-)-Alloaromadendrane-3β,9β-diol
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