Three new triterpenoids from Rubia schumanniana

  title={Three new triterpenoids from Rubia schumanniana},
  author={Bin Kuang and Jing Han and Guangzhi Zeng and Xiao-qiang Chen and Wen-jun He and Ninghua Tan},
  booktitle={Natural Products and Bioprospecting},
Three new triterpenoids, 3β-hydroxy-urs-30-p-Z-hydroxycinnamoyl-12-en-28-oic-acid (1), 3β-hydroxy-olean-30-p-Ehydroxycinnamoyl-12-en-28-oic-acid (2) and 3β,6α-dihydroxy-urs-14-en-12-one (3), together with seven known triterpenoids, were isolated from the roots of Rubia schumanniana. Their structures were established by means of spectroscopic analysis. All compounds were evaluated for cytotoxic activity, and compounds 2–6 showed cytotoxicity with the IC50 values of 10.75∼18.87 µg/mL. 

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Tradit. Herb

Sun, W. Chin
Drugs 2012, • 2012

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