Plant Diversity ›› 2006, Vol. 28 ›› Issue (06): 673-675.
• Articles •
ZHANG Yu-Mei; TAN Ning-Hua
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.
ZHANG Yu-Mei; TAN Ning-Hua. Two New Triterpenes from Metadina trichotoma (Rubiaceae)[J]. Plant Diversity, 2006, 28(06): 673-675.
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