{"id":63561,"date":"2018-03-09T22:51:29","date_gmt":"2018-03-09T22:51:29","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/polymer-supported-catalysts-strategies-and-applications-in-metal-mediated-and-purely-organic-catalysis\/"},"modified":"2018-03-09T22:51:29","modified_gmt":"2018-03-09T22:51:29","slug":"polymer-supported-catalysts-strategies-and-applications-in-metal-mediated-and-purely-organic-catalysis","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/mecanismos-de-las-reacciones-organicas\/polymer-supported-catalysts-strategies-and-applications-in-metal-mediated-and-purely-organic-catalysis\/","title":{"rendered":"Polymer-supported catalysts: strategies and applications in metal-mediated and purely organic catalysis"},"content":{"rendered":"<h2>Tesis doctoral de <strong> Daniel Font Segura <\/strong><\/h2>\n<p>La presente tesis doctoral se ha centrado en dos cap\u00edtulos bien diferenciados: en el primer cap\u00edtulo se ha realizado un estudio cin\u00e9tico y mecan\u00edstico de la fragmentaci\u00f3n de los \u00edY-amino alcoholes en presencia de un medio b\u00e1sico. Utilizando como modelo el (s)-2-piperidino-1,1,2-trifeniletanol se ha observado que la reacci\u00f3n transcurre mediante un proceso heterol\u00edtico puesto que se ha capturado el intermedio de reacci\u00f3n con bromuro de benzilo. Por otro lado se ha podido calcular la energ\u00eda de activaci\u00f3n del proceso de fragmentaci\u00f3n del (s)-2-p\u00c2\u00a1perid\u00c2\u00a1no-1,1,2-trifeniletanol (alrededor de 24 kcal mol-1). en los dos siguientes cap\u00edtulos se han aplicado distintas metodolog\u00edas para la inmovilizaci\u00f3n de ligandos desde la copolimerizaci\u00f3n de derivados estir\u00e9nicos, pasando por la inmovilizaci\u00f3n directa a resinas de merrifield y la inmovilizaci\u00f3n de ligandos mediante la cicloaddici\u00f3n 1,3-dipolar catalizada por cobre. estas resinas se han aplicado para catalizar adiciones enantioselectivas de organozincs a aldehidos arom\u00e1ticos obteniendo en todos los casos excelentes conversiones y enantioselectividas. Utilizando la estrategia de inmovilizaci\u00f3n mediante la cicloadici\u00f3n 1,3-dipolar catalizada por cobre desarrollada en nuestro grupo se ha anclado un derivado de la l-prolina. Estas resinas se han mostrado altamente activas y enantioselectivas en la reacci\u00f3n ald\u00f3lica enantioselectiva en agua as\u00ed como en la \u00c2\u00bf-aminoxilaci\u00f3n de aldeh\u00eddos y cetonas.<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Polymer-supported catalysts: strategies and applications in metal-mediated and purely organic catalysis<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Polymer-supported catalysts: strategies and applications in metal-mediated and purely organic catalysis <\/li>\n<li><strong>Autor:<\/strong>\u00a0 Daniel Font Segura <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Barcelona<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 14\/03\/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>Miguel \u00e1ngel Peric\u00c1\u00a0s Brondo<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: Jos\u00e9 joaquin Barluenga mur <\/li>\n<li>Antonio  m. Echavarren pablos (vocal)<\/li>\n<li>Luis Castedo exposito (vocal)<\/li>\n<li>Rafael Suau suarez (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Daniel Font Segura La presente tesis doctoral se ha centrado en dos cap\u00edtulos bien diferenciados: en el [&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":[951,239,6775],"tags":[1384,140333,3282,568,34338,2512],"class_list":["post-63561","post","type-post","status-publish","format-standard","hentry","category-barcelona","category-mecanismos-de-las-reacciones-organicas","category-organometalicos","tag-antonio-m-echavarren-pablos","tag-daniel-font-segura","tag-jose-joaquin-barluenga-mur","tag-luis-castedo-exposito","tag-miguel-angel-perica-s-brondo","tag-rafael-suau-suarez"],"_links":{"self":[{"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/posts\/63561","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=63561"}],"version-history":[{"count":0,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/posts\/63561\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/media?parent=63561"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/categories?post=63561"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/tags?post=63561"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}