{"id":64249,"date":"2018-03-09T22:52:15","date_gmt":"2018-03-09T22:52:15","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/aplicacion-de-catalizadoresquirales-inmovilizados-basados-en-ligandos-tipo-bisoxazolinaen-reacciones-enantioselectivas\/"},"modified":"2018-03-09T22:52:15","modified_gmt":"2018-03-09T22:52:15","slug":"aplicacion-de-catalizadoresquirales-inmovilizados-basados-en-ligandos-tipo-bisoxazolinaen-reacciones-enantioselectivas","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/organometalicos\/aplicacion-de-catalizadoresquirales-inmovilizados-basados-en-ligandos-tipo-bisoxazolinaen-reacciones-enantioselectivas\/","title":{"rendered":"Aplicaci\u00f3n de catalizadoresquirales inmovilizados basados en ligandos tipo bis(oxazolina)en reacciones enantioselectivas"},"content":{"rendered":"<h2>Tesis doctoral de <strong> Ignacio P\u00e9rez Grijalvo <\/strong><\/h2>\n<p>Ste trabajo trata sobre el empleo de compuestos organomet\u00e1licos, basados en ligandosquirales tipo bis(oxazolina), cuya s\u00edntesis estaampliamente comentada en este trabajo, encombinacion con diversos metales tales como el cobre, paladio 0 cobalto. Dichos compuestosfueron inmovilizados mediante diversas metodolog\u00edas ( interacci\u00f3n electrost\u00e1tica, enlacecovalenteo interacciones por pares i\u00f3nicos) sobre distintos soportes como arcillasani\u00f3nicas (laponita), resinas perfluorosulf\u00f3nicas (nr-50), 0 resinas compolim\u00e9ricas entreestireno, cloruro de vinilbenceno y divinilbenceno (resina merrifield). Estos catalizadoress\u00f3lidos fueron caracterizados mediante diversos m\u00e9todos, tales como la espectroscop\u00eda deinfrarrojo, an\u00e1lisis elemental, an\u00e1lisis del contenido de metal 0 resonancia magn\u00e9ticanuclear de carbono.Despu\u00e9s de ser completamente caracterizados, estos catalizadores fueron probados endiversas reacciones, la cuales pre sentaban unos requerimientos electronicos y est\u00e9ricosdistintos. Las reaciones empleadas fueron la reacci\u00f3n de ciclopropanaci\u00f3n, la reacci\u00f3nald\u00f3ilica de mukaiyama, la reacci\u00f3n de oxidaci\u00f3n al\u00edlica de kharasch y sosnovsky, lareacci\u00f3n de sustituci\u00f3n al\u00edlica y por \u00faltimo la reacci\u00f3n de reducci\u00f3n de \u00e9steres a,(3?Insaturados.Los resultados obtenidos fueron diversos, permitiendo obtener resultados similares 0incluso superiores a los obtenidos con los mismo complejos homog\u00e9neos. Pero es de destacarlos resultados obtenidos en la reacci\u00f3n de ciclopropanaci\u00f3n empleando resinas merrifield,que son los mejores descritos hastala fecha paraestareacci\u00f3n con cualquier catalizador.Tambi\u00e9n se demostr\u00f3 la versatilidad de estos catalizadores,permitiendo su reutilizaci\u00f3n envarios tipos de reacciones, obteni\u00e9ndose excelentes catalizadores multitarea.Como conclusi\u00f3n finala este trabajo hemos de destacarla aparici\u00f3nde un conceptonovedoso en la visi\u00f3n de los catalizadores heterogeneizados, y que podemos resumir el lasiguiente frase:\u00bb\u00bblos catali<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Aplicaci\u00f3n de catalizadoresquirales inmovilizados basados en ligandos tipo bis(oxazolina)en reacciones enantioselectivas<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Aplicaci\u00f3n de catalizadoresquirales inmovilizados basados en ligandos tipo bis(oxazolina)en reacciones enantioselectivas <\/li>\n<li><strong>Autor:<\/strong>\u00a0 Ignacio P\u00e9rez Grijalvo <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Zaragoza<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 28\/04\/2008<\/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 Antonio Mayoral Murillo<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: pelayo Camps Garc\u00eda <\/li>\n<li>Jes\u00fas Manuel Peregrina Garc\u00eda (vocal)<\/li>\n<li> Garc\u00eda laureiro Jos\u00e9 ignacio (vocal)<\/li>\n<li>Miguel \u00e1ngel Yus astiz (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Ignacio P\u00e9rez Grijalvo Ste trabajo trata sobre el empleo de compuestos organomet\u00e1licos, basados en ligandosquirales tipo bis(oxazolina), [&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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