Chemical Constituents from the Flowers of Dendrobium thyrsiflorum

Chen Ya Ping

Volume 37 Issue 01

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Chen Ya Ping . Chemical Constituents from the Flowers of Dendrobium thyrsiflorum[J]. Journal of Kunming Medical University, 2016, 37(01).

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Chen Ya Ping . Chemical Constituents from the Flowers of Dendrobium thyrsiflorum[J]. Journal of Kunming Medical University, 2016, 37(01).

Chen Ya Ping . Chemical Constituents from the Flowers of Dendrobium thyrsiflorum[J]. Journal of Kunming Medical University, 2016, 37(01).

Citation:

Chen Ya Ping . Chemical Constituents from the Flowers of Dendrobium thyrsiflorum[J]. Journal of Kunming Medical University, 2016, 37(01).

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Chemical Constituents from the Flowers of Dendrobium thyrsiflorum

Chen Ya Ping

(1)School of Pharmaceutical Science &Yunnan Key Laboratory of Pharmacology for Natural Products, Kunming Medical University, Kunming Yunnan 650500;2)Advanced Analysis and Measurment Center,Yunnan University, Kunming Yunnan 650091;3)Dept. of Personnel,Kunming Medical University, Kunming Yunnan 650500,China)

Abstract

Abstract

［Abstract］Objective To study the chemical constituents from the flowers of Dendrobium thyrsiflorum and find its bioactive compounds. Methods The compounds were extracted by 95% alcohol and isolated by column chromatography on silica gel and Sephadex LH-20. Their structures were identified by spectroscopic analysis（1H NMR，13CNMR and EIMS）．Results　Seven compouds were obtained and identified as β-sitosterol（1），stigmasterol（2），6，7-dimethoxy coumarin（3），6-methoxy -7- hydroxy coumarin（4），dibutyl phthalate（5），naringenin（6），daucosterol（7）．Conclusion　All compounds were isolated from the flowers for the first time.
- ［Key words］Dendrobium thyrsiflorum；Medicinal plant；Chemical constituents,

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