{"id":53338,"date":"2018-03-09T22:41:00","date_gmt":"2018-03-09T22:41:00","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/intercambio-cromo0-rodioi-en-complejos-de-carbeno-fisher\/"},"modified":"2018-03-09T22:41:00","modified_gmt":"2018-03-09T22:41:00","slug":"intercambio-cromo0-rodioi-en-complejos-de-carbeno-fisher","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/quimica\/intercambio-cromo0-rodioi-en-complejos-de-carbeno-fisher\/","title":{"rendered":"Intercambio cromo(0)\/rodio(i) en complejos de carbeno fisher"},"content":{"rendered":"<h2>Tesis doctoral de <strong> Ruben Vicente Arroyo <\/strong><\/h2>\n<p>En esta memoria se describen los resultados obtenidos en el estudio de la reacci\u00f3n de intercambio del ligando carbeno entre complejos alquenilcarbeno de fischer de cromo(0) y complejos de rodio(i). Este estudio ha permitido la preparaci\u00f3n de nuevos complejos carbeno de fischer de rodio(i), as\u00ed como el desarrollo de interesantes aplicaciones en la s\u00edntesis de compuestos org\u00e1nicos.  en el primer cap\u00edtulo se describe el proceso de intercambio del ligando carbeno, o reacci\u00f3n de transmetalaci\u00f3n, que ha permitido la preparaci\u00f3n de nuevos complejos carbeno de fischer cati\u00f3nicos de rodio(i) y complejos carbeno de fischer de rodio(i) neutros que contienen ligandos carbeno n-heteroc\u00edclicos.  el segundo cap\u00edtulo recoge el estudio de la reacci\u00f3n de los complejos carbeno de fischer de rodio(i) con alquinos, que permite obtener derivados de ciclopentenona, mediante una reacci\u00f3n de carbociclaci\u00f3n [3+2]. Este resultado difiere del que se obtiene al utilizar los complejos carbeno precursores de cromo(0), en lo que constituye una modificaci\u00f3n cualitativa de la reactividad del carbeno. Adem\u00e1s, la reacci\u00f3n puede llevarse a cabo de forma catal\u00edtica cuando se utilizan alquinos electr\u00f3nicamente deficientes.  el tercer cap\u00edtulo se ha dedicado al estudio de la reacci\u00f3n de complejos alquenilcarbeno de fischer con alenos. En primer lugar, se describe la reacci\u00f3n de met\u00e1tesis en condiciones t\u00e9rmicas y ausencia de rodio(i). A continuaci\u00f3n, se ha estudiado el proceso en presencia de una cantidad catal\u00edtica de rodio(i) utilizando alenos con diferentes propiedades electr\u00f3nicas. en estas condiciones pueden obtenerse de manera muy eficaz y selectiva una gran variedad de 5-alquilidenociclopentenos altamente sustituidos y funcionalizados, a trav\u00e9s de un proceso de carbociclaci\u00f3n [3+2].  por \u00faltimo, en el cuarto cap\u00edtulo se describen tres nuevas reacciones multicomponente catalizadas por rodio(i) entre complejos alquenilcarbeno de fischer y<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Intercambio cromo(0)\/rodio(i) en complejos de carbeno fisher<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Intercambio cromo(0)\/rodio(i) en complejos de carbeno fisher <\/li>\n<li><strong>Autor:<\/strong>\u00a0 Ruben Vicente Arroyo <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Oviedo<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 22\/06\/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>Jos\u00e9 Joaquin Barluenga Mur<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: gregorio Asensio aguilar <\/li>\n<li>Miguel \u00e1ngel Peric\u00ed\u00a0s brondo (vocal)<\/li>\n<li>pablo Espinet rubio (vocal)<\/li>\n<li>kilian Mu\u00f1iz fernandez (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Ruben Vicente Arroyo En esta memoria se describen los resultados obtenidos en el estudio de la reacci\u00f3n [&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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