Serveur d'exploration sur le peuplier

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Populeuphrines A and B, two new cembrane diterpenoids from the resins of Populus euphratica.

Identifieur interne : 000191 ( Main/Exploration ); précédent : 000190; suivant : 000192

Populeuphrines A and B, two new cembrane diterpenoids from the resins of Populus euphratica.

Auteurs : Kai-Xin Liu [République populaire de Chine] ; Da-Peng Qin [République populaire de Chine] ; Yan-Xia Zhu [République populaire de Chine] ; Shao-Xiang Wang [République populaire de Chine] ; Ya-Bin Jiao [République populaire de Chine] ; Peng-Ling Ge [République populaire de Chine] ; Yong-Xian Cheng [République populaire de Chine]

Source :

RBID : pubmed:31264446

Abstract

Two new cembrane diterpenoids, named populeuphrines A and B (1 and 2), together with three known analogues (3-5) were isolated from the resins of Populus euphratica. The planar structures and relative configurations of 1 and 2 were elucidated by detailed 1 D and 2 D NMR spectroscopic analyses. The absolute configurations of 1 and 2 were determined by X-ray diffraction analysis and quantum chemical computation. Biological activities of all the isolates against proliferation of human cancer cells and umbilical cord mesenchymal stem cells were evaluated.

DOI: 10.1080/14786419.2019.1610753
PubMed: 31264446


Affiliations:


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Le document en format XML

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<div type="abstract" xml:lang="en">Two new cembrane diterpenoids, named populeuphrines A and B (
<b>1</b>
and
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<b>3</b>
-
<b>5</b>
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<i>Populus euphratica</i>
. The planar structures and relative configurations of
<b>1</b>
and
<b>2</b>
were elucidated by detailed 1 D and 2 D NMR spectroscopic analyses. The absolute configurations of
<b>1</b>
and
<b>2</b>
were determined by X-ray diffraction analysis and quantum chemical computation. Biological activities of all the isolates against proliferation of human cancer cells and umbilical cord mesenchymal stem cells were evaluated.</div>
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<b>1</b>
and
<b>2</b>
), together with three known analogues (
<b>3</b>
-
<b>5</b>
) were isolated from the resins of
<i>Populus euphratica</i>
. The planar structures and relative configurations of
<b>1</b>
and
<b>2</b>
were elucidated by detailed 1 D and 2 D NMR spectroscopic analyses. The absolute configurations of
<b>1</b>
and
<b>2</b>
were determined by X-ray diffraction analysis and quantum chemical computation. Biological activities of all the isolates against proliferation of human cancer cells and umbilical cord mesenchymal stem cells were evaluated.</AbstractText>
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<Keyword MajorTopicYN="N">Diversifolious poplar resin</Keyword>
<Keyword MajorTopicYN="N">Salicaceae</Keyword>
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