ZOU Jie-ming, WANG Li-sheng, GUO Ya-jian, WANG Zheng, WANG Rui-zhi. A new picfeltarraenone glycoside from Picria fel-terraeJ. Acta Pharmaceutica Sinica, 2005, 40(1): 36-38.
Citation: ZOU Jie-ming, WANG Li-sheng, GUO Ya-jian, WANG Zheng, WANG Rui-zhi. A new picfeltarraenone glycoside from Picria fel-terraeJ. Acta Pharmaceutica Sinica, 2005, 40(1): 36-38.
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A new picfeltarraenone glycoside from Picria fel-terrae

    Abstract
  • AimTo investigate the chemical constituents from Picria fel-terrae Lour. Methods Column chromatography techniques were used to isolate the chemical constituents, physico-chemical constants and spectroscopic analysis were employed for structural elucidation. ResultsTwo triterpenoids named picfeltarraenone I (1) and picfeltarraenin XI (2) were isolated, and their structures were established to be 3,11,22-trioxo-16α-hydroxy-(20S，24)-epoxy-cucurbit-5，23- diene (1) and 3,11,22-trioxo-16α-hydroxy-(20S，24)-epoxy-cucurbit-5，23-diene-2β-O-β-D-glucopyranoside (2), respectively. ConclusionCompound 2 is a new compound, the 13CNMR data of compound 1 is reported for the first time.
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