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Your search keyword '"Zhi Ming Bi"' showing total 3 results
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3 results on '"Zhi Ming Bi"'

1. A new iridoid glycoside from Gardenia jasminoides

Author

Dan Tang, Ping Li, Xiao Qin Zhou, Hai Xia Cai, and Zhi Ming Bi

Subjects
chemistry.chemical_classification, biology, chemistry, Iridoid, medicine.drug_class, Stereochemistry, medicine, Glycoside, General Chemistry, Gardenia jasminoides, biology.organism_classification, Two-dimensional nuclear magnetic resonance spectroscopy
Abstract

A new iridoid glycoside, 6'-O-sinapoylgeniposide, was isolated from Gardenia jasminoides Ellis and its structure was elucidated on the basis of 1D and 2D NMR, HR-ESI-MS techniques.

Published
2007
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2. Two new saponins from the aerial part of Astragalus membranaceus var. mongholicus

Author

Xiao Dan Gao, Ping Li, Zhi Ming Bi, Qing Tao Yu, and Jun Luo

Subjects
Astragalus, Traditional medicine, General Chemistry, Astragalus membranaceus var. mongholicus, Biology, biology.organism_classification
Abstract

Two new saponins named mongholicoside A ( 1 ) and mongholicoside B ( 2 ) were isolated from the aerial part of Astragalus membranaceus var . mongholicus . Their structures were determined by 1D and 2D NMR, ESI-MS techniques and chemical methods.

Published
2007
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3. New C21 steroidal glycoside from Cynanchum paniculatum

Author

Jing Dou, Jian Liang Zhou, Ping Li, and Zhi Ming Bi

Subjects
chemistry.chemical_classification, chemistry.chemical_compound, Aglycone, chemistry, Stereochemistry, Glycoside, General Chemistry, Cynanchum paniculatum, Thevetoside
Abstract

A new C 21 steroidal glycoside, neocynapanogenin F 3- O -β- d -thevetoside 1 , as well as its known aglycone neocynapanogenin F 2 , which have an aberrant 13, 14:14, 15-disecopregnane-type skeleton were isolated from the root of Cynanchum paniculatum. Their structures were elucidated on the basis of spectroscopic data analysis. These compounds showed certain cytotoxic activities in vitro .

Published
2007
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