{"id":78244,"date":"2018-03-09T23:23:54","date_gmt":"2018-03-09T23:23:54","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/dendra%c2%admeros-electroactivos-con-nucleo-de-viologeno\/"},"modified":"2018-03-09T23:23:54","modified_gmt":"2018-03-09T23:23:54","slug":"dendra%c2%admeros-electroactivos-con-nucleo-de-viologeno","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/quimica\/dendra%c2%admeros-electroactivos-con-nucleo-de-viologeno\/","title":{"rendered":"Dendr\u00edmeros electroactivos con n\u00facleo de viologeno"},"content":{"rendered":"<h2>Tesis doctoral de <strong> Rosa Toba Veloso <\/strong><\/h2>\n<p>1) se ha llevado a cabo la preparaci\u00f3n y caracterizaci\u00f3n de las tres primeras generaciones de un dendr\u00edmero sim\u00e9trico con n\u00facleo de cavitando y funcionalizado con cuatro unidades de viol\u00f3geno (14-17)  2) de manera an\u00e1loga, se han obtenido y caracterizado las tres primeras generaciones de un dendr\u00edmero sim\u00e9trico con una unidad de viol\u00f3geno en el n\u00facleo (27-29).  3) el estudio electroqu\u00edmico de dichos compuestos indica que los procesos de transferencia electr\u00f3nica son reversibles o cuasi reversibles, lo cual refuerza la idea de que las unidades de viol\u00f3geno internas son capaces de reacciones de transferencia electr\u00f3nica heterog\u00e9neas,  cuya cin\u00e9tica es independiente de la generaci\u00f3n del dendr\u00edmero.  4) se han obtenido los dendr\u00edmeros no sim\u00e9tricos 38-41 y 42-45. Se ha realizado, adem\u00e1s, un estudio comparativo de sus propiedades electroqu\u00edmicas e interacciones de enlace con el \u00e9ter corona bis-p-fenileno-34-corona-10 con dendr\u00edmeros an\u00e1logos y ramificaciones de tipo newkome, en colaboraci\u00f3n con el grupo de investigaci\u00f3n del prof. Kaifer:  en todos los dendr\u00edmeros investigados, el comportamiento voltam\u00e9trico es reversible de la primera a la tercera generaci\u00f3n, en concordancia con los resultados obtenidos para los dendr\u00edmeros (14-17) y (27-29). Los valores de los coeficientes de difusi\u00f3n d0 son coherentes con el tama\u00f1o relativo de los dendr\u00edmeros: las dos series de dendr\u00edmeros tipo fr\u00e9chet muestran id\u00e9nticos valores de d0 para la misma generaci\u00f3n, reflejando lo parecido de sus masas y estructuras.  el crecimiento de los dendrones tipo fr\u00e9chet apenas tiene efectos en la estabilidad del complejo de asociaci\u00f3n con el bis-p-fenileno-34-corona -10. Esto est\u00e1 relacionado con el car\u00e1cter m\u00e1s r\u00edgido de los dendrones de poliaril \u00e9ter que da lugar a formas dendr\u00edticas en forma de cu\u00f1a, lo que puede favorecer el enlace, a diferencia de los dendrones tipo newkome, m\u00e1s flexibles, que pueden impedir la enc<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Dendr\u00edmeros electroactivos con n\u00facleo de viologeno<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Dendr\u00edmeros electroactivos con n\u00facleo de viologeno <\/li>\n<li><strong>Autor:<\/strong>\u00a0 Rosa Toba Veloso <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 A coru\u00f1a<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 13\/01\/2006<\/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>Carlos Peinador Veira<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: enrique D\u00edez barra <\/li>\n<li>ernesto de Jes\u00fas alca\u00f1iz (vocal)<\/li>\n<li>ricardo Riguera vega (vocal)<\/li>\n<li>Antonio Vargas berenguel (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Rosa Toba Veloso 1) se ha llevado a cabo la preparaci\u00f3n y caracterizaci\u00f3n de las tres primeras [&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 center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""}},"footnotes":""},"categories":[18576,1412,902,1648,17,416],"tags":[63525,73244,5451,31852,3287,168240],"class_list":["post-78244","post","type-post","status-publish","format-standard","hentry","category-a-coruna","category-compuestos-heterociclicos","category-estereoquimica-y-analisis-conformacional","category-estructura-de-moleculas-organicas","category-quimica","category-quimica-organica","tag-antonio-vargas-berenguel","tag-carlos-peinador-veira","tag-enrique-diez-barra","tag-ernesto-de-jesus-alcaniz","tag-ricardo-riguera-vega","tag-rosa-toba-veloso"],"_links":{"self":[{"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/posts\/78244","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/comments?post=78244"}],"version-history":[{"count":0,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/posts\/78244\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/media?parent=78244"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/categories?post=78244"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/tags?post=78244"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}