Citation: Ya CHEN, Ming Hua CHIU, Kun GU, Zhong Rong LI. Cucurbitacin and Triterpenoid Glycosides from Hemsleya giganthy[J]. Chinese Chemical Letters, ;2003, 14(5): 475-478. shu

Cucurbitacin and Triterpenoid Glycosides from Hemsleya giganthy

1.
Laboratory of Phytochmistry, Kunming Institute of Botany, CAS, Kunming 650204;
2.
Department of Chemistry, Yunnan University, Kunming 650091

Received Date: 7 June 2002

Fund Project: The authors are grateful to the financial support of the National Natural Science Foundation of China (Grant No.39970086) and Natural Science Foundation of Yunnan (Grant No.98C089M), also thank the members of analytical group in Phytochemistry Laboratory, Kunming Institute of Botany for their measuring spectral data.

From rhizomes of Hemsleya giganthy collected in Shichuan of China, 16 compounds were isolated.Among them, three compounds (8, 9, 15) are new natural products called Hemslecins G; Hemsgiganosides A and B; respectively.Their structures were elucidated as 7-hydroxy-23, 24-dihydro-cucurbitacin F-25-O-acetate (8); 3-O-(6'-butyl ester-)-β-D-glu-curono-pyranosyl)-oleanolic acid-28-O-α-L-arabinopyranoside(9); 3-O-β-D-glucuropyranosyl oleanolic acid-28-O-β-D-gluco pyranosyl-(1→6)-β-D-glucopyranoside(15) by spectroscopic and chemical means.
- Hemsleya giganthy,
- Cucurbitaceae,
- Hemslecins G,
- Hemsgiganosides A,
- B
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