{"id":24677,"date":"2003-11-07T00:00:00","date_gmt":"2003-11-07T00:00:00","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/dendra%c2%admeros-de-estructura-carbosilano-funcionalizadas-con-complejos-de-tiiv-en-la-periferia\/"},"modified":"2003-11-07T00:00:00","modified_gmt":"2003-11-07T00:00:00","slug":"dendra%c2%admeros-de-estructura-carbosilano-funcionalizadas-con-complejos-de-tiiv-en-la-periferia","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/alcala\/dendra%c2%admeros-de-estructura-carbosilano-funcionalizadas-con-complejos-de-tiiv-en-la-periferia\/","title":{"rendered":"Dendr\u00edmeros de estructura carbosilano funcionalizadas con complejos de ti(iv) en la periferia"},"content":{"rendered":"<h2>Tesis doctoral de <strong> Silvia Ar\u00e9valo Heras <\/strong><\/h2>\n<p>La tesis desarrolla la s\u00edntesis de nueva macromol\u00e9culas dendr\u00edticas organomet\u00e1licas de estructura carbosilano de primera, segunda y cuarta generaci\u00f3n con 4, 8 y 32 centros de ti(iv) en periferia, respectivamente.  para ello, se han sintetizado previamente dendr\u00edmeros de estructura carbosilano con grupos fen\u00f3licos en la periferia, para los que se han realizado experimentos avanzados de rmn bidimensionales, con el fin de asignar por completo todas su se\u00f1ales y poder posteriormente realizar estudios de su comportamiento en disoluci\u00f3n mediante medidas del tiempo de relajaci\u00f3n esp\u00edn-red t1. A partir de estos dendr\u00edmeros con funcionalidades fen\u00f3licas se han desarrollado rutas sint\u00e9ticas \u00f3ptimas para la fijaci\u00f3n de complejos ciclopentadienilo de ti en su periferia, a trav\u00e9s de reacciones de fenolisis de enlaces ti-cl y ti-me. Por \u00faltimo, se han realizado estudios del comportamiento catal\u00edtico en la polimerizaci\u00f3n de etileno y estirenocon los metalodendr\u00edmeros sintetizados, encontr\u00e1ndose un dr\u00e1stico aumento para la actividad catal\u00edtica en la polimerizaci\u00f3n de etileno con el tiempo de envejecimiento de la disoluci\u00f3n del dendr\u00edmero. este hecho se atribuye al proceso de agregaci\u00f3n que sufren estos dendr\u00edmeros en disoluci\u00f3n, el cual ha sido estudiado mediante medidas de difusi\u00f3n de luz din\u00e1mica.<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Dendr\u00edmeros de estructura carbosilano funcionalizadas con complejos de ti(iv) en la periferia<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Dendr\u00edmeros de estructura carbosilano funcionalizadas con complejos de ti(iv) en la periferia <\/li>\n<li><strong>Autor:<\/strong>\u00a0 Silvia Ar\u00e9valo Heras <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Alcal\u00e1<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 11\/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>Rafael G\u00f3mez Ram\u00edrez<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: carmen Claver cabrero <\/li>\n<li>tom\u00e1s Rodr\u00edguez beldarra\u00edn (vocal)<\/li>\n<li>f\u00e9lix angel Jal\u00f3n sot\u00e9s (vocal)<\/li>\n<li>rom\u00e1n Andr\u00e9s herranz (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Silvia Ar\u00e9valo Heras La tesis desarrolla la s\u00edntesis de nueva macromol\u00e9culas dendr\u00edticas organomet\u00e1licas de estructura carbosilano de [&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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