Plant Diversity ›› 2006, Vol. 28 ›› Issue (06): 673-675.

• Articles • Previous Articles     Next Articles

Two New Triterpenes from Metadina trichotoma (Rubiaceae)

ZHANG Yu-Mei; TAN Ning-Hua   

  1. State Key Laboratory of Phytochemistry and Plant Resources in West China , Kunming Institute of Botany, Chinese Academy of Sciences
  • Received:2006-06-20 Online:2006-12-25 Published:2006-12-25
  • Contact: TAN Ning-Hua

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Abstract: Two new triterpenes, 3-oxo-29-hydroxy-urs-12-en-27 , 28-dioic acid (Metatrichosin A, 1 ) and 3-oxo-21β-hydroxy-urs-12-en-27 , 28-dioic acid (Metatrichosin B, 2) , were isolated from the barks of Metadina trichotoma (Zoll. et. Mor. ) Bakn. Their structures were mainly determined byMS, 1D and 2D NMR spectroscopic methods.

Key words: Metadina trichotoma

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