{"id":24788,"date":"2018-03-09T09:15:54","date_gmt":"2018-03-09T09:15:54","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/alcaloides-diterpenicos-de-especies-pertenecientes-a-los-generos-delphinium-y-aconitum-ranunculaceae\/"},"modified":"2018-03-09T09:15:54","modified_gmt":"2018-03-09T09:15:54","slug":"alcaloides-diterpenicos-de-especies-pertenecientes-a-los-generos-delphinium-y-aconitum-ranunculaceae","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/la-laguna\/alcaloides-diterpenicos-de-especies-pertenecientes-a-los-generos-delphinium-y-aconitum-ranunculaceae\/","title":{"rendered":"Alcaloides diterp\u00e9nicos de especies pertenecientes a los g\u00e9neros delphinium y aconitum (ranunculaceae)"},"content":{"rendered":"<h2>Tesis doctoral de <strong> Juan Garc\u00eda Ruiz <\/strong><\/h2>\n<p>En esta memoria se hace un breve estudio de la morfolog\u00eda, distribuci\u00f3n geogr\u00e1fica y de la composici\u00f3n qu\u00edmica de las especies pertenecientes a los g\u00e9neros aconitum y delphinium, haciendo especial hincapi\u00e9 en los alcaloides diterp\u00e9nicos, de notable importancia quimiotaxon\u00f3mica y farmacol\u00f3gica. algunas de estas sustancias han demostrado ser potentes toxinas neurofisiol\u00f3gicas en mam\u00edferos, lo que confiere a estas especies un car\u00e1cter altamente venenoso.  se lleva a cabo el estudio fitoqu\u00edmico del aconitum variegatum y el reestudio de dos especies de delphinium: d.Staphisagria y d.Pentagynum. Las comparaci\u00f3n de los metabolitos aislados del d.Pentagynum con los encontrados en un estudio previo de esta misma especie condujo a resultados contradictorios. existen dos posibilidades: que la cantidad y cualidad de los metab\u00f3litos secundarios del d.Pentagynum se vea afectada considerablemente por variaciones de tipo ecol\u00f3gico o fenomenol\u00f3gico o que la especie recolectada en c\u00e1diz haya recibido una clasificaci\u00f3n bot\u00e1nica incorrecta.  el estudio fitoqu\u00edmico realizado sobre el delphinium staphisagria revela un menor contenido en alcaloides que el d.Pentagynum. Los resultados anal\u00edticos muestran al afinidad fitoqu\u00edmica entre ambas especies.  el estudio fitoqu\u00edmico del aconitum variegatum nos revela a esta especie como una rica fuente en metabolitos secundarios. De ella hemos aislado e identificado; veintid\u00f3s alcaloides, doce de las cuales se describen por primera vez en la bibliograf\u00eda.  las t\u00e9cnica modernas de rmn de correlaci\u00f3n homonuclear, 1h-cosy, y heteronuclear a uno y tres enlaces, hsqc y hmbc, y de correlaci\u00f3n espacial, noesy y roesy, as\u00ed como los efectos de los disolventes, constituyeron una herramienta clave en la elucidaci\u00f3n estructural de los nuevos alcaloides, alguno de los cuales fueron aislados en cantidades \u00ednfimas. Hemos hecho especial \u00e9nfasis en asignar sin ambig\u00ed\u00bcedad todas las resonancias de prot\u00f3<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Alcaloides diterp\u00e9nicos de especies pertenecientes a los g\u00e9neros delphinium y aconitum (ranunculaceae)<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Alcaloides diterp\u00e9nicos de especies pertenecientes a los g\u00e9neros delphinium y aconitum (ranunculaceae) <\/li>\n<li><strong>Autor:<\/strong>\u00a0 Juan Garc\u00eda Ruiz <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 La laguna<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 16\/07\/2003<\/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>Jes\u00fas Gonz\u00e1lez D\u00edaz<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: angel Gutierrez ravelo <\/li>\n<li>cirilo P\u00e9rez p\u00e9rez (vocal)<\/li>\n<li>juli\u00ed\u00a0n Molero briones (vocal)<\/li>\n<li>Mar\u00eda na L\u00f3pez s\u00e1nchez (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Juan Garc\u00eda Ruiz En esta memoria se hace un breve estudio de la morfolog\u00eda, distribuci\u00f3n geogr\u00e1fica y [&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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