{"id":88647,"date":"2018-03-10T00:13:42","date_gmt":"2018-03-10T00:13:42","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/immobilitzacio-de-complexos-organometalius-de-rodii-e-inoii\/"},"modified":"2018-03-10T00:13:42","modified_gmt":"2018-03-10T00:13:42","slug":"immobilitzacio-de-complexos-organometalius-de-rodii-e-inoii","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/quimica\/immobilitzacio-de-complexos-organometalius-de-rodii-e-inoii\/","title":{"rendered":"Immobilitzaci\u00f3 de complexos organomet\u00e1lius de rodi(i) e inoi(i)"},"content":{"rendered":"<h2>Tesis doctoral de <strong> Ram\u00f3n Margalef Catal\u00e1 <\/strong><\/h2>\n<p>Se han preparado y carcterizado (con las t\u00e9cnicas habituales de caracterizaci\u00f3n de s\u00f3lidos) diferentes s\u00f3lidos laminares de la familia de las esmectitas los cuales han sido utilziados como soportes para la inmovilizaci\u00f3n o heterogeneizaci\u00f3n de complejos organomet\u00e1licos de rodio e iridio (i) utilizando t\u00edpicamente como precursores de catalizador en medio homog\u00e9neo.  los sistemas heterogenizados han sido caracterizados para determinar si la inmovilizaci\u00f3n en el soporte se ha dado por un proceso de intercalaci\u00f3n o bien adsorci\u00f3n del complejo en la superficie del s\u00f3lido.  la aplicaci\u00f3n de los sistemas heterogeneizados en el proceso catal\u00edtico de la hidrogenaci\u00f3n de iminas ha mostrado que estos sistemas tienen un comportamiento catal\u00edtico similar a la de sus an\u00e1logos homog\u00e9neos, presentando la ventaja que pueden ser recuperados f\u00e1cilmente del medio de reacci\u00f3n, por una simple filtraci\u00f3n, y reutilizados diversas veces sin p\u00e9rdida significativa de la actividad catal\u00edtica, lleg\u00e1ndose a obtener un sistema catal\u00edtico heterogeneizado que puede ser reutilizado en elevado n\u00famero de ensayos consecutivos mostrados una conversi\u00f3n cuantitativa de la iminas, se ha podido observar que los sistemas heterogeneizados presentan una inducci\u00f3n asim\u00e9trica diferente a la de sus an\u00e1logos homog\u00e9neos, encontrandose que sistemas catal\u00edticos con nula activiad \u00f3ptica en medio homog\u00e9neo, presentan inducci\u00f3n asimetrica al heterogeneizarlos, observ\u00e1ndose que este comportamiento puede deberse a una interacci\u00f3n de la especie met\u00e1lica con los ox\u00edgenos de la estructua del soporte. Se ha evaluado el efecto de la naturaleza del soporte (acidez, composici\u00f3n, etc &#8230;) En la actividad catal\u00edtica y enantioselectividad del proceso, as\u00ed como tambi\u00e9n el efecto de la naturaleza del complejo inmovilizado.  finalmente, los sistemas heterogeneizados se han aplicado a la alquilaci\u00f3n reductora de aminas primarias para la obtenci\u00f3n de aminas secund<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Immobilitzaci\u00f3 de complexos organomet\u00e1lius de rodi(i) e inoi(i)<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Immobilitzaci\u00f3 de complexos organomet\u00e1lius de rodi(i) e inoi(i) <\/li>\n<li><strong>Autor:<\/strong>\u00a0 Ram\u00f3n Margalef Catal\u00e1 <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Rovira i virgili<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 29\/01\/2001<\/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>Pilar Salagre Carnero<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: carmen Claver cabrero <\/li>\n<li>marcial Moreno (vocal)<\/li>\n<li>francoise Figueras (vocal)<\/li>\n<li>concepci\u00f3n Salinas (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Ram\u00f3n Margalef Catal\u00e1 Se han preparado y carcterizado (con las t\u00e9cnicas habituales de caracterizaci\u00f3n de s\u00f3lidos) diferentes [&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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