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2 results on '"Yun-Qiu Li"'

1. ChemInform Abstract: A Novel Cyclopentene Derivative and a Polyhydroxylated Steroid from a South China Sea Gorgonian Menella sp

Author

Yonghong Liu, Xing-Yun Chai, Li-Ying Tang, Bin Yang, Xian-Wen Yang, Jian-Fan Sun, Hui Huang, Yun-Qiu Li, and Xuefeng Zhou

Subjects
South china, biology, Stereochemistry, medicine.medical_treatment, General Medicine, biology.organism_classification, Steroid, chemistry.chemical_compound, Gorgonian, chemistry, medicine, Cyclopentene, Derivative (chemistry), Menellsteroid C
Abstract

A highly oxygenated racemate with C8 skeleton, menellin A (I), and a polyhydroxylated steroid, menellsteroid C (II) are isolated as along with eight known natural products.

Published
2011
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2. ChemInform Abstract: Two New Alkaloids from Capparis himalayensis

Author

Heran Li, Shilin Yang, Yun-Qiu Li, and Li‐Zhen Xu

Subjects
Capparis, chemistry.chemical_compound, Wogonin, chemistry, biology, Traditional medicine, Apigenin, Oroxylin A, General Medicine, Kaempferol, biology.organism_classification, Quercetin, Luteolin
Abstract

Two new alkaloids, Capparin A (1) and B (2), along with seven known compounds 6-methoxyindoline-2,3-dione (3), wogonin (4), oroxylin A (5), kaempferol (6), apigenin (7), quercetin (8) and luteolin (9), were isolated from the whole plant of Capparis himalayensis. Their structures have been established on the basis of spectral methods and the structure of 1 was confirmed by X-ray crystallographic analysis.

Published
2008
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