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Two new prenylflavonoids from Morus nigra L.

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Chinese Chemical Letters 2009年第12期20卷 1469-1471页

作者： Lei Wang Ting Gong ruo yun chen Institute of Materia Medica Chinese Academy of Medical Sciences and Peking Union Medical College The Key Laboratory of Bioactive Substances and Resources Utilization of Chinese Herbal Medicine Ministry of Education Beijing 100050 China

Two new prenylflavonoids, momigrol E（1） and mornigrol F（2） were isolated from Morus nigra L. Their structures were elucidated on the basis of spectroscopic methods, especially 2D-NMR techniques.

关键词： Morus nigra Moraceae Mornigrols E and F Prenylflavonoid

A New Diels-Alder Type Adduct and a New Flavone from the Stem and Root Bark of Morus mongolica

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Chinese Chemical Letters 2005年第11期16卷 1474-1476页

作者： Jie KANG ruo yun chen De Quan YU Institute of Materia Medica Chinese Academy of Medical Sciences and Peking Union Medical College Beijing 100050

A new Diels-Alder type adduct mongolicin G （1） and a new flavone 5＇-（1＂, 1＂-dimethylallyl）-5,7,2＇,4＇-tetrahydroxyflavone （2） were isolated from the stem and root bark of Morus mongolica. Their structures we... 详细信息

关键词： Morus mongolica Diels-Alder type adduct mongolicin G flavone 5'-(1",1"-dimethylallyl)-5,7,2',4'-tetrahydroxyflavone.

A New Flavanone from the Bark of Morus macoura Miq.

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Chinese Chemical Letters 2001年第3期12卷 231-232页

作者： Sheng Guo SUN ruo yun chen De Quan YU Institute of Materia Medica Chinese Academy of Medical Sciences&Peking Union Medical CollegeBeijing 100050

A new flavanone named macrouroine C (1) was isolated from the bark of Morus macroura Miq.. The structure of 1 was elucidated mainly on the basis of spectroscopic evidence.

关键词： Morus macroura Miq. flavanone macrourone C.

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Two new diterpenoids from Suregada glomerulata(Blume) Baill

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Chinese Chemical Letters 2011年第5期22卷 580-582页

作者： Ren Yi Yan ruo yun chen De Quan Yu Key Laboratory of Bioactive Substances and Resources Utilization of Chinese Herbal Medicine Ministry of Education Institute of Materia Medica Chinese Academy of Medical Sciences and Peking Union Medical College Beijing 100050 China Institute of Chinese Materia Medica China Academy of Chinese Medical Sciences Beijing 100700 China

Two new diterpenoids,3,4,18β-cyclopropa-ent-abieta-8（14）,13（15）-dien-16,12-olide（1） and 3-oxojolkinolide B（2）,were isolated from the roots of Suregada glomerulata（Blume） *** structures were determined by sp... 详细信息

关键词： Suregada glomerulata Diterpenoid 3 4 18β-Cyclopropa-ent-abieta-8(14) 13(15)-dien-16 12-olide 3-Oxojolkinolide B Cytotoxicity

Two New Compounds from Goniothalamus Cheliensis Hu

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Chinese Chemical Letters 2001年第9期12卷 787-790页

作者： Si WANG Pei cheng ZHANG ruo yun chen De Quan YU Institute of Materia Medica Chinese Academy of Medical Sciences&Peking Union Medical CollegeBeijing 100050

Two new compounds, gonioquinone (1) and goniofufurone acetonide (2), have been isolated from the roots of Goniothalamus cheliensis Hu. Their structures were determined on the basis of spectral and chemical evidence.

关键词： Goniothalamus cheliensis Hu gonioquinone goniofufurone acetonide

A new benzofuranolignan and a new flavonol derivative from the stem of Morus australis

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Chinese Chemical Letters 2008年第2期19卷 196-198页

作者： Qing Jian Zhang Di Zao Li ruo yun chen De Quan Yu The Key laboratory of Bioactive Substances and Resources Utilization of Chinese Herbal Medicine Ministry of Education Institute of Materia Medica Chinese Academy of Medical Sciences and Peking Union Medical College Beijing 100050 China

A new benzofuranolignan austrafuran A （1） and a new flavonol derivative 5,7,2′,4′-tetrahydroxy-3-methoxyflavone （2） were isolated from the stem of Morus australis. Their structures were determined on the basis o... 详细信息

关键词： Morus australis Austrafuran A Flavonol Stilbenoid

Phenolic compounds from the aqueous extract of Acacia catechu

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Chinese Chemical Letters 2011年第11期22卷 1331-1334页

作者： Xing Cui Li Li Xin Yang Hong Qing Wang ruo yun chen State Key Laboratory of Bioactive Substances and Functions of Natural Medicines Institute of Materia Medica Chinese Academy of Medical Sciences ＆ Peking Union Medical College Beijing 100050 China

From the aqueous extract of Acacia catechu,two new phenolic compounds（3R,4R）-3-（3,4-dihydroxyphenyl）-4-hydroxycy-clohexanone （1） and（4R）-5-（1-（3,4-dihydrophenyl）-3-oxobutyl）-dihydrofuran-2（3H）-one（2） w... 详细信息

关键词： Acacia catechu Phenolic compounds Free-radical scavenging activity

Two New Styryllactones from Goniothalamus cheliensis

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Chinese Chemical Letters 2003年第5期14卷 487-488页

作者： Si WANG Sheng Jun DAI ruo yun chen Shi Shan YU De Quan YU Institute of Materia Medica Chinese Academy of Medical Sciences&Peking Union Medical CollegeBeijing 100050

Two new styryllactones, iso-goniopypyrone and 8-acetyl-9-deoxygoniopypyrone, were isolated from the roots of Goniothalamus cheliensis. Their structure were elucidated on the basis of spectroscopic and chemical eviden... 详细信息

关键词： Goniothalamus cheliensis iso-goniopypyrone 8-acetyl-9-deoxygoniopypyrone.

A New Isoprenylated flavonol from the Leaves of Broussonetia kazinoki

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Chinese Chemical Letters 2001年第2期12卷 141-142页

作者： Pei cheng ZHANG Si WANG Ying Hong WANG ruo yun chen De Quan YU Institute of Materia Medica Chinese Academy of Medical Science and Peking Union Medical CollegeBeijing 100050

A new isoprenylated flavonol, named broussonol A (1) was isolated from the leaves of Broussonetia kazinoki Sieb. The structure of broussonol A was characterized by chemical and spectral methods.

关键词： Broussonetia kazinoki moraceae isoprenyl flavonol broussonol A