Identification and characterization of three new flavonoids from Rhododendron dauricum
The present study was designed to determine the major chemical constituents of the leaves of Rhododendron dauricum L. Compounds were isolated and purified by various chromatographic methods, and their structures were elucidated by physicochemical properties and spectral data. The present study ident...
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| Veröffentlicht in: | Chinese journal of natural medicines 2015-08, Vol.13 (8), p.628-633 |
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| creator | LOU, Xin-Wei LIN, Qing-Hua ZHANG, Guan-Yu LIU, Wen-Yuan FENG, Feng QU, Wei |
| description | The present study was designed to determine the major chemical constituents of the leaves of Rhododendron dauricum L. Compounds were isolated and purified by various chromatographic methods, and their structures were elucidated by physicochemical properties and spectral data. The present study identified two new C-methyl flavanones, 5, 7, 3＇, 5＇-tetrahydroxy-6, 8-di-C-methyl flavanone （1） and 5, 4＇-dihydroxy-8-C-methylflavanone-7-O-β-D-glucopyranoside （2）, and one new flavonoid glycoside, quercetin-3-O-β-D-（6＂-O-cinnamoyl）-galactoside （3）, along with seven known compounds, including syzalterin （4）, poriolin （5）, farrerol-7-O-β-D-glucopyranoside （6）, myrciacetin （7）, quercetin-3-O-fl-D-（6-p-hydroxy-benzoyl）-galactoside （g）, quercetin-3-O-β-D-（6-p-coumaroyl）-galactoside （9）, and 5, 7, 3＇, 5＇-tetrahydroxyl flavanone （10）. Compounds 1-3 were determined to be new flavonoids; compounds 4-6 were isolated from this species for the first time; and compounds 7-10 were reported for the first time from this genus. |
| doi_str_mv | 10.1016/S1875-5364(15)30059-5 |
| format | Article |
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Compounds were isolated and purified by various chromatographic methods, and their structures were elucidated by physicochemical properties and spectral data. The present study identified two new C-methyl flavanones, 5, 7, 3＇, 5＇-tetrahydroxy-6, 8-di-C-methyl flavanone （1） and 5, 4＇-dihydroxy-8-C-methylflavanone-7-O-β-D-glucopyranoside （2）, and one new flavonoid glycoside, quercetin-3-O-β-D-（6＂-O-cinnamoyl）-galactoside （3）, along with seven known compounds, including syzalterin （4）, poriolin （5）, farrerol-7-O-β-D-glucopyranoside （6）, myrciacetin （7）, quercetin-3-O-fl-D-（6-p-hydroxy-benzoyl）-galactoside （g）, quercetin-3-O-β-D-（6-p-coumaroyl）-galactoside （9）, and 5, 7, 3＇, 5＇-tetrahydroxyl flavanone （10）. Compounds 1-3 were determined to be new flavonoids; compounds 4-6 were isolated from this species for the first time; and compounds 7-10 were reported for the first time from this genus.</description><identifier>ISSN: 2095-6975</identifier><identifier>ISSN: 1875-5364</identifier><identifier>EISSN: 1875-5364</identifier><identifier>DOI: 10.1016/S1875-5364(15)30059-5</identifier><identifier>PMID: 26253496</identifier><language>eng</language><publisher>China: Elsevier B.V</publisher><subject><![CDATA[dauricum ; Flavanones - chemistry ; Flavanones - isolation & purification ; Flavonoids ; Flavonoids - chemistry ; Flavonoids - isolation & purification ; Galactosides - chemistry ; Galactosides - isolation & purification ; Glucosides - chemistry ; Glucosides - isolation & purification ; identification ; L ; Molecular Structure ; Plant Extracts - chemistry ; Plant Leaves - chemistry ; Quercetin - analogs & derivatives ; Quercetin - chemistry ; Quercetin - isolation & purification ; Rhododendron ; Rhododendron - chemistry ; Rhododendron dauricum L ; Spectroscopic ; Spectroscopic identification]]></subject><ispartof>Chinese journal of natural medicines, 2015-08, Vol.13 (8), p.628-633</ispartof><rights>2015 China Pharmaceutical University</rights><rights>Copyright © 2015 China Pharmaceutical University. Published by Elsevier B.V. All rights reserved.</rights><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c392t-ba16446f836325ad33c912a8949e5047881f9242e49c48181fd33d0d557f69603</citedby><cites>FETCH-LOGICAL-c392t-ba16446f836325ad33c912a8949e5047881f9242e49c48181fd33d0d557f69603</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Uhttp://image.cqvip.com/vip1000/qk/86968X/86968X.jpg</thumbnail><linktohtml>$$Uhttps://dx.doi.org/10.1016/S1875-5364(15)30059-5$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,780,784,3550,27924,27925,45995</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/26253496$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>LOU, Xin-Wei</creatorcontrib><creatorcontrib>LIN, Qing-Hua</creatorcontrib><creatorcontrib>ZHANG, Guan-Yu</creatorcontrib><creatorcontrib>LIU, Wen-Yuan</creatorcontrib><creatorcontrib>FENG, Feng</creatorcontrib><creatorcontrib>QU, Wei</creatorcontrib><title>Identification and characterization of three new flavonoids from Rhododendron dauricum</title><title>Chinese journal of natural medicines</title><addtitle>Chinese JOurnal of Natural Medicines</addtitle><description>The present study was designed to determine the major chemical constituents of the leaves of Rhododendron dauricum L. Compounds were isolated and purified by various chromatographic methods, and their structures were elucidated by physicochemical properties and spectral data. The present study identified two new C-methyl flavanones, 5, 7, 3＇, 5＇-tetrahydroxy-6, 8-di-C-methyl flavanone （1） and 5, 4＇-dihydroxy-8-C-methylflavanone-7-O-β-D-glucopyranoside （2）, and one new flavonoid glycoside, quercetin-3-O-β-D-（6＂-O-cinnamoyl）-galactoside （3）, along with seven known compounds, including syzalterin （4）, poriolin （5）, farrerol-7-O-β-D-glucopyranoside （6）, myrciacetin （7）, quercetin-3-O-fl-D-（6-p-hydroxy-benzoyl）-galactoside （g）, quercetin-3-O-β-D-（6-p-coumaroyl）-galactoside （9）, and 5, 7, 3＇, 5＇-tetrahydroxyl flavanone （10）. Compounds 1-3 were determined to be new flavonoids; compounds 4-6 were isolated from this species for the first time; and compounds 7-10 were reported for the first time from this genus.</description><subject>dauricum</subject><subject>Flavanones - chemistry</subject><subject>Flavanones - isolation & purification</subject><subject>Flavonoids</subject><subject>Flavonoids - chemistry</subject><subject>Flavonoids - isolation & purification</subject><subject>Galactosides - chemistry</subject><subject>Galactosides - isolation & purification</subject><subject>Glucosides - chemistry</subject><subject>Glucosides - isolation & purification</subject><subject>identification</subject><subject>L</subject><subject>Molecular Structure</subject><subject>Plant Extracts - chemistry</subject><subject>Plant Leaves - chemistry</subject><subject>Quercetin - analogs & derivatives</subject><subject>Quercetin - chemistry</subject><subject>Quercetin - isolation & purification</subject><subject>Rhododendron</subject><subject>Rhododendron - chemistry</subject><subject>Rhododendron dauricum L</subject><subject>Spectroscopic</subject><subject>Spectroscopic identification</subject><issn>2095-6975</issn><issn>1875-5364</issn><issn>1875-5364</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2015</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNqFkF1rFDEUhoModln7E5TBq3oxmq-TTK5ESrWFguDXbcgmJ93AzqRNZlr015t21701N-Ecnpz35CHkNaPvGWXqw3c2aOhBKHnG4J2gFEwPz8jq2H5OVpwa6JXRcEJOa00bykU7WrOX5IQrDkIatSK_rgJOc4rJuznlqXNT6PzWFednLOnPvpljN28LYjfhQxd37j5POYXaxZLH7ts2h9yGhNLI4JaS_DK-Ii-i21U8Pdxr8vPzxY_zy_7665er80_XvReGz_3GMSWlioNQgoMLQnjDuBuMNAhU6mFg0XDJURovB9aqhgQaAHRURlGxJmf7ubcl3y1YZzum6nG3cxPmpVqmKVcgtNINhT3qS661YLS3JY2u_LaM2ker9smqfdRnGdgnq61akzeHiGUzYji--uewAR_3ALaP3icstvqEk8eQCvrZhpz-G_H2sNo2Tzd3abo5pigFMIAGIf4C_6qR1g</recordid><startdate>20150801</startdate><enddate>20150801</enddate><creator>LOU, Xin-Wei</creator><creator>LIN, Qing-Hua</creator><creator>ZHANG, Guan-Yu</creator><creator>LIU, Wen-Yuan</creator><creator>FENG, Feng</creator><creator>QU, Wei</creator><general>Elsevier B.V</general><scope>2RA</scope><scope>92L</scope><scope>CQIGP</scope><scope>W91</scope><scope>~WA</scope><scope>CGR</scope><scope>CUY</scope><scope>CVF</scope><scope>ECM</scope><scope>EIF</scope><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7X8</scope></search><sort><creationdate>20150801</creationdate><title>Identification and characterization of three new flavonoids from Rhododendron dauricum</title><author>LOU, Xin-Wei ; LIN, Qing-Hua ; ZHANG, Guan-Yu ; LIU, Wen-Yuan ; FENG, Feng ; QU, Wei</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c392t-ba16446f836325ad33c912a8949e5047881f9242e49c48181fd33d0d557f69603</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2015</creationdate><topic>dauricum</topic><topic>Flavanones - chemistry</topic><topic>Flavanones - isolation & purification</topic><topic>Flavonoids</topic><topic>Flavonoids - chemistry</topic><topic>Flavonoids - isolation & purification</topic><topic>Galactosides - chemistry</topic><topic>Galactosides - isolation & purification</topic><topic>Glucosides - chemistry</topic><topic>Glucosides - isolation & purification</topic><topic>identification</topic><topic>L</topic><topic>Molecular Structure</topic><topic>Plant Extracts - chemistry</topic><topic>Plant Leaves - chemistry</topic><topic>Quercetin - analogs & derivatives</topic><topic>Quercetin - chemistry</topic><topic>Quercetin - isolation & purification</topic><topic>Rhododendron</topic><topic>Rhododendron - chemistry</topic><topic>Rhododendron dauricum L</topic><topic>Spectroscopic</topic><topic>Spectroscopic identification</topic><toplevel>online_resources</toplevel><creatorcontrib>LOU, Xin-Wei</creatorcontrib><creatorcontrib>LIN, Qing-Hua</creatorcontrib><creatorcontrib>ZHANG, Guan-Yu</creatorcontrib><creatorcontrib>LIU, Wen-Yuan</creatorcontrib><creatorcontrib>FENG, Feng</creatorcontrib><creatorcontrib>QU, Wei</creatorcontrib><collection>中文科技期刊数据库</collection><collection>中文科技期刊数据库-CALIS站点</collection><collection>中文科技期刊数据库-7.0平台</collection><collection>中文科技期刊数据库-医药卫生</collection><collection>中文科技期刊数据库- 镜像站点</collection><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>MEDLINE - Academic</collection><jtitle>Chinese journal of natural medicines</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>LOU, Xin-Wei</au><au>LIN, Qing-Hua</au><au>ZHANG, Guan-Yu</au><au>LIU, Wen-Yuan</au><au>FENG, Feng</au><au>QU, Wei</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Identification and characterization of three new flavonoids from Rhododendron dauricum</atitle><jtitle>Chinese journal of natural medicines</jtitle><addtitle>Chinese JOurnal of Natural Medicines</addtitle><date>2015-08-01</date><risdate>2015</risdate><volume>13</volume><issue>8</issue><spage>628</spage><epage>633</epage><pages>628-633</pages><issn>2095-6975</issn><issn>1875-5364</issn><eissn>1875-5364</eissn><abstract>The present study was designed to determine the major chemical constituents of the leaves of Rhododendron dauricum L. Compounds were isolated and purified by various chromatographic methods, and their structures were elucidated by physicochemical properties and spectral data. The present study identified two new C-methyl flavanones, 5, 7, 3＇, 5＇-tetrahydroxy-6, 8-di-C-methyl flavanone （1） and 5, 4＇-dihydroxy-8-C-methylflavanone-7-O-β-D-glucopyranoside （2）, and one new flavonoid glycoside, quercetin-3-O-β-D-（6＂-O-cinnamoyl）-galactoside （3）, along with seven known compounds, including syzalterin （4）, poriolin （5）, farrerol-7-O-β-D-glucopyranoside （6）, myrciacetin （7）, quercetin-3-O-fl-D-（6-p-hydroxy-benzoyl）-galactoside （g）, quercetin-3-O-β-D-（6-p-coumaroyl）-galactoside （9）, and 5, 7, 3＇, 5＇-tetrahydroxyl flavanone （10）. Compounds 1-3 were determined to be new flavonoids; compounds 4-6 were isolated from this species for the first time; and compounds 7-10 were reported for the first time from this genus.</abstract><cop>China</cop><pub>Elsevier B.V</pub><pmid>26253496</pmid><doi>10.1016/S1875-5364(15)30059-5</doi><tpages>6</tpages></addata></record> |
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| ispartof | Chinese journal of natural medicines, 2015-08, Vol.13 (8), p.628-633 |
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| source | MEDLINE; Access via ScienceDirect (Elsevier); Alma/SFX Local Collection |
| subjects | dauricum Flavanones - chemistry Flavanones - isolation & purification Flavonoids Flavonoids - chemistry Flavonoids - isolation & purification Galactosides - chemistry Galactosides - isolation & purification Glucosides - chemistry Glucosides - isolation & purification identification L Molecular Structure Plant Extracts - chemistry Plant Leaves - chemistry Quercetin - analogs & derivatives Quercetin - chemistry Quercetin - isolation & purification Rhododendron Rhododendron - chemistry Rhododendron dauricum L Spectroscopic Spectroscopic identification |
| title | Identification and characterization of three new flavonoids from Rhododendron dauricum |
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