3-O-α-L-RAMNOPIRANOSILFLAVONOIDES Y OTROS DERIVADOS FENÓLICOS DE HOJAS DE Calliandra calothyrsus. MEISSNER (MIMOSACEAE).

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Bibliographic Details
Main Authors: Bárbara Moreno Murillo, Angélica Sánchez, Rodolfo Quevedo, Martha Pabón, Juan Carulla
Format: Article
Language:English
Published: Universidad Nacional de Colombia 2009-04-01
Series:Revista Colombiana de Química
Subjects:
Online Access:http://www.revistas.unal.edu.co/index.php/rcolquim/article/view/9412
Description
Summary:<!--[if gte mso 9]><xml> <w:WordDocument> <w:View>Normal</w:View> <w:Zoom>0</w:Zoom> <w:HyphenationZone>21</w:HyphenationZone> <w:PunctuationKerning /> <w:ValidateAgainstSchemas /> <w:SaveIfXMLInvalid>false</w:SaveIfXMLInvalid> <w:IgnoreMixedContent>false</w:IgnoreMixedContent> <w:AlwaysShowPlaceholderText>false</w:AlwaysShowPlaceholderText> <w:Compatibility> <w:BreakWrappedTables /> <w:SnapToGridInCell /> <w:WrapTextWithPunct /> <w:UseAsianBreakRules /> <w:DontGrowAutofit /> </w:Compatibility> <w:BrowserLevel>MicrosoftInternetExplorer4</w:BrowserLevel> </w:WordDocument> </xml><![endif]--><!--[if gte mso 9]><xml> <w:LatentStyles DefLockedState="false" LatentStyleCount="156"> </w:LatentStyles> </xml><![endif]--> <!-- /* Style Definitions */ p.MsoNormal, li.MsoNormal, div.MsoNormal {mso-style-parent:""; margin:0cm; margin-bottom:.0001pt; mso-pagination:widow-orphan; font-size:12.0pt; font-family:"Times New Roman"; mso-fareast-font-family:"Times New Roman";} span.Car {mso-style-name:Car; mso-ansi-font-size:12.0pt; mso-bidi-font-size:12.0pt; mso-ansi-language:ES; mso-fareast-language:ES; font-weight:bold;} @page Section1 {size:612.0pt 792.0pt; margin:70.85pt 3.0cm 70.85pt 3.0cm; mso-header-margin:36.0pt; mso-footer-margin:36.0pt; mso-paper-source:0;} div.Section1 {page:Section1;} --> <!--[if gte mso 10]> <style> /* Style Definitions */ table.MsoNormalTable {mso-style-name:"Tabla normal"; mso-tstyle-rowband-size:0; mso-tstyle-colband-size:0; mso-style-noshow:yes; mso-style-parent:""; mso-padding-alt:0cm 5.4pt 0cm 5.4pt; mso-para-margin:0cm; mso-para-margin-bottom:.0001pt; mso-pagination:widow-orphan; font-size:10.0pt; font-family:"Times New Roman"; mso-ansi-language:#0400; mso-fareast-language:#0400; mso-bidi-language:#0400;} </style> <![endif]--> <p class="MsoNormal" style="line-height: 150%;">El estudio químico del extracto polar de hojas de <em><span>Calliandra calothyrsus. </span></em><span class="Car"><span style="font-weight: normal;">Meissner (Mimosaceae) (accesión CIAT 22316) condujo a la identificación de dos flavonoides glicosilados: </span></span>3-O-α-L-ramnopiranosil-7-metoxi-5,3<span class="Car"><span style="font-weight: normal;">'</span></span>,4<span class="Car"><span style="font-weight: normal;">'</span></span>-trihidroxiflavona y 3-O-α-L-ramnopiranosil-5,7,3<span class="Car"><span style="font-weight: normal;">'</span></span>,4<span class="Car"><span style="font-weight: normal;">'</span></span>-tetrahidroxiflavona; sus estructuras fueron elucidadas por métodos espectroscópicos IR y RMN (1D y 2D).</p> <p class="MsoNormal" style="line-height: 150%;"><span class="Car"><span style="font-weight: normal;">Adicionalmente, por espectrometría de masas por las técnicas DART y ESI <span> </span>de alta resolución, se identificaron derivados fenólicos mayoritarios tales como ácido gálico y su dímero (PM 339,032), dihidroxicumarina, trihidroxicumarina, quercetina, dihidroquercetina, 3-O-</span></span><span class="Car"><span style="font-weight: normal;" lang="EN-US">α</span></span><span class="Car"><span style="font-weight: normal;">-L-ramnopiranosil-7-metoxi-5,3</span></span><span class="Car"><span style="font-weight: normal;">'</span></span><span class="Car"><span style="font-weight: normal;">,4</span></span><span class="Car"><span style="font-weight: normal;">'</span></span><span class="Car"><span style="font-weight: normal;">-trihidroxiflavona,3-O-</span></span><span class="Car"><span style="font-weight: normal;" lang="EN-US">α</span></span><span class="Car"><span style="font-weight: normal;">-L-ramnopiranosil-5,7,3</span></span><span class="Car"><span style="font-weight: normal;">'</span></span><span class="Car"><span style="font-weight: normal;">,4</span></span><span class="Car"><span style="font-weight: normal;">'</span></span><span class="Car"><span style="font-weight: normal;">-tetrahidroxiflavona y un dímero de flavonoide como principales constituyentes químicos. </span></span></p>
ISSN:0120-2804
2357-3791