Four new flavonoids from Morus australis

Zhong-Fei Zheng The State Key Laboratory of Bioactive Substance and Function of Natural Medicines, Institute of Materia Medica, Chinese Academy of Medical Sciences, Peking Union Medical College, Beijing, 100050, China; The 88th Hospital of PLA, Taian, 271000, China

Qing-Jian Zhang The State Key Laboratory of Bioactive Substance and Function of Natural Medicines, Institute of Materia Medica, Chinese Academy of Medical Sciences, Peking Union Medical College, Beijing, 100050, China

Ruo-Yun Chen The State Key Laboratory of Bioactive Substance and Function of Natural Medicines, Institute of Materia Medica, Chinese Academy of Medical Sciences, Peking Union Medical College, Beijing, 100050, China

De-Quan Yu The State Key Laboratory of Bioactive Substance and Function of Natural Medicines, Institute of Materia Medica, Chinese Academy of Medical Sciences, Peking Union Medical College, Beijing, 100050, ChinaCorrespondence[email protected]

Abstract

Four new flavonoids, benzokuwanon E (1), hydroxymorusin (2), dicyclokuwanon EA (3), and dicyclokuwanon EB (4), were isolated from Morus australis. Their structures were elucidated on the basis of UV, IR, MS, NMR, and CD spectral data.

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Acknowledgement

This research program was financially supported by the National Science and Technology Project of China (No. 2009ZX09311-004).

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Four new flavonoids from Morus australis

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Four new flavonoids from Morus australis

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