An Isopropyldioxy Flavonol from Hypericum perforatum L.

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An Isopropyldioxy Flavonol from Hypericum perforatum L.

DOU Yu-ling, QIN Hui-ling, ZHOU Tong-shui, OU Ling, LU Yan-hua^*, WEI Dong-zhi^*^*

1.State Key Laboratory of Bioreactor Engineering, New World Institute of Biochemistry, East China University of Science and Technology, Shanghai 200237, China;
2.Renhetang Medicine Chained Limited Company, Linyi Shandong 276003, China;
3.School of Life Science, Fudan University, Shanghai 200433, China

Received:2003-12-15 Revised:2004-05-10 Online:2004-06-15 Published:2004-06-15
Contact: LU Yan-hua*, WEI Dong-zhi**

Abstract

Abstract: Aim Isolation and structural elucidation of the constituents from the aerial part of Hypericum perforatum L. Methods Column chromatography and TLC were used to isolate chemical constituents. Physico-chemical characterization and spectroscopic analysis were employed for structural identification. Results Three flavonols were isolated and identified. Conclusion Compound 1 is a novel natural product and its structure has been characterized to be 3, 5, 7-trihydroxy-3’, 4’-isopropyldioxy-flavone.

Key words: Hypericum perforatum L, Hypericum perforatum L, flavonol, flavonol, structural elucidation, structural elucidation

CLC Number:

R284.1

R284.2

Supporting:

DOU Yu-ling, QIN Hui-ling, ZHOU Tong-shui, OU Ling, LU Yan-hua^*, WEI Dong-zhi^*^*. An Isopropyldioxy Flavonol from Hypericum perforatum L.[J]. .

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An Isopropyldioxy Flavonol from Hypericum perforatum L.

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