{"id":49830,"date":"2021-05-22T08:59:33","date_gmt":"2021-05-22T08:59:33","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/estudio-fitoquimico-de-especies-de-eupatorium-sintesis-de-dimeros-del-precocenoii\/"},"modified":"2021-05-22T08:59:33","modified_gmt":"2021-05-22T08:59:33","slug":"estudio-fitoquimico-de-especies-de-eupatorium-sintesis-de-dimeros-del-precocenoii","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/quimica\/estudio-fitoquimico-de-especies-de-eupatorium-sintesis-de-dimeros-del-precocenoii\/","title":{"rendered":"Estudio fitoquimico de especies de eupatorium. sintesis de dimeros del precocenoii."},"content":{"rendered":"<h2>Tesis doctoral de <strong> Victor Perez Garcia <\/strong><\/h2>\n<p>Del eupatorium sternbergianum se han aislado 2-hidroxi-4 5-dimetoxibenzaldehido pammaradienol  acetato de dammaradienol  spathulenol  12-hidroxi-euparina persicogenina  sakuranetina    los nuevos productos eupatarona y sternbina (5      3  4 &#8211; t rihidroxi-7-metoxi-flavanona). Se han asignado las posiciones de resonancias de los carbonos en los espectros de rmn del dammaradienol     de su acetato y de la da mmaradienona. Se aislo tambien el precoceno-ii que posee gran actividad antialatotrodica. Es el compuesto mas abundante del e. Ferrerae se hanobtenido tres nuevos sesquiterpenos: los angelato  tiglato e isobutirato de iso-2 3-desoxo-hilliardinol  y los ya conocidos epoxi-decompostina  acetato de taraxerol  friedelina y epifrizoelinol. Se ha estudiado la dimerizacion del precoceno-ii utilizando gel de suice impregnada con no sub 3 ag o con cl sub 3 fe y se ha determinado la estructura de los dimeros obtenidos. Se aislaron y estudiaron los productos de la fotolisis de uno de estos dimeros.<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Estudio fitoquimico de especies de eupatorium. sintesis de dimeros del precocenoii.<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Estudio fitoquimico de especies de eupatorium. sintesis de dimeros del precocenoii. <\/li>\n<li><strong>Autor:<\/strong>\u00a0 Victor Perez Garcia <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 La laguna<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 01\/01\/1982<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<h3>Direcci\u00f3n y tribunal<\/h3>\n<ul>\n<li><strong>Director de la tesis<\/strong>\n<ul>\n<li>Braulio Manuel Fraga Gonz\u00e1lez<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: Antonio Gonzalez Gonzalez <\/li>\n<li>Luis Castedo Exposito (vocal)<\/li>\n<li>Enrique Fernandez Caldas (vocal)<\/li>\n<li>Francisco Rodriguez Luis (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Victor Perez Garcia Del eupatorium sternbergianum se han aislado 2-hidroxi-4 5-dimetoxibenzaldehido pammaradienol acetato de dammaradienol spathulenol 12-hidroxi-euparina [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center 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