Citation: Li Hong ZHOU, Qi Shi SUN, Yan WANG. Two New Cycloartane Triterpenes from The Leaves of Quercus valiabilis Blume[J]. Chinese Chemical Letters, ;2003, 14(12): 1265-1267. shu

Two New Cycloartane Triterpenes from The Leaves of Quercus valiabilis Blume

1.
Laboratory of Chinese Traditional Medicine, Tianjin Institute for Drug Control, Tianjin 300070;
2.
Department of Chinese Traditional Medicine, Shenyang Pharmaceutical University, Shenyang 110015;
3.
Tianjin Da Ren Tang Pharmaceutical Factory, Tianjin 300142

Received Date: 2 December 2002

Two new cycloartane triterpenes were separated from the leaves of Quercus valiabilis Blume. The structures were identified as 4α,14α-dimethyl-9β,19-cycloergost-3α-yl-24-one and 4α,14α-dimethyl-9β,19-cycloergost-24(24')-en-3α-yl-acetate.
- Quercus valiabilis Blume,
- triterpene,
- cycloartane,
- cycloeucalenol

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1.
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