{"id":25863,"date":"2018-03-09T09:17:25","date_gmt":"2018-03-09T09:17:25","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/clusters-de-bor-icosaa%c2%a8drics-alternatius-al-cp-les-seves-possibilitats-en-catalisi\/"},"modified":"2018-03-09T09:17:25","modified_gmt":"2018-03-09T09:17:25","slug":"clusters-de-bor-icosaa%c2%a8drics-alternatius-al-cp-les-seves-possibilitats-en-catalisi","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/clusters-de-bor-icosaa%c2%a8drics-alternatius-al-cp-les-seves-possibilitats-en-catalisi\/","title":{"rendered":"Cl\u00fasters de bor icosa\u00e9drics alternatius al cp. les seves possibilitats en catalisi."},"content":{"rendered":"<h2>Tesis doctoral de <strong> Oscar Tutusaus Santandreu <\/strong><\/h2>\n<p>Uno de los compuestos m\u00e1s importantes en la qu\u00edmica de los cl\u00fasteres de boro es un derivado del o-carborano, el diani\u00f3n dicarbolluro, estructuralmente parecido al ani\u00f3n ciclopentadienuro (cp). En ambos casos existe una cara pentagonal con capacidades coordinantes, aunque por otro lado existe tambi\u00e9n una diferencia en la carga total del ligando. El objetivo del presente trabajo es estudiar rebajar la carga del diani\u00f3n dicarbolluro en una unidad. los carboranos zwitteri\u00f3nicos resultantes se estudiaron como posibles ligandos alternativos al cp.  en primer lugar se han sintetizado y caracterizado un grupo representativo de carboranos zwitteri\u00f3nicos, derivados del diani\u00f3n dicarbolluro, incorporando un cati\u00f3n sulfonio o fosfonio situado en la posici\u00f3n 10 del cl\u00faster. posteriormente, se han sintetizado y caracterizado los correspondientes complejos de estructura semi-sandwich con rutenio y rodio y trifenilfosfina. Se ha estudiado su aplicaci\u00f3n como catalizadores en varias reacciones de acoplamiento c-c. ambas familias de complejos han mostrado unas excelentes actividades en la cat\u00e1lisis de la ciclopropanaci\u00f3n y en la polimerizaci\u00f3n atrp de olefinas, aunque en esta \u00faltima el proceso de crecimiento del pol\u00edmero no se da de forma controlada. Por otro lado, \u00fanicamente los rutenacarboranos han sido activos en la adici\u00f3n de kharasch, para los que se ha encontrado una relaci\u00f3n entre el potencial redox del complejo y la actividad mostrada; los resultados han sido excepcionales, sobrepasando a los mejores catalizadores disponibles.  tambi\u00e9n se han sintetizado una serie de complejos de tipo sandwich con varios metales de transici\u00f3n. El estudio de sus propiedades electroqu\u00edmicas ha revelado que la capacidad electrodadora de estos ligandos es inferior a la del dicarbolluro y a la del cp. Se ha desarrollado un m\u00e9todo computacional para calcular los perfieles energ\u00e9ticos de la rotaci\u00f3n mutua de los cl\u00fasteres completamente en meta<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Cl\u00fasters de bor icosa\u00e9drics alternatius al cp. les seves possibilitats en catalisi.<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Cl\u00fasters de bor icosa\u00e9drics alternatius al cp. les seves possibilitats en catalisi. <\/li>\n<li><strong>Autor:<\/strong>\u00a0 Oscar Tutusaus Santandreu <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Aut\u00f3noma de barcelona<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 26\/09\/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>Francesc Teixidor Bombardo<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: jaume Casab\u00f3 i gispert <\/li>\n<li>alfonso Polo ortiz (vocal)<\/li>\n<li>d. Kennedy john (vocal)<\/li>\n<li> Masdeu bult\u00f3 anna m. (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Oscar Tutusaus Santandreu Uno de los compuestos m\u00e1s importantes en la qu\u00edmica de los cl\u00fasteres de boro [&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":[1],"tags":[32737,75124,13659,13660,75125,75123],"class_list":["post-25863","post","type-post","status-publish","format-standard","hentry","category-sin-categoria","tag-alfonso-polo-ortiz","tag-d-kennedy-john","tag-francesc-teixidor-bombardo","tag-jaume-casabo-i-gispert","tag-masdeu-bulto-anna-m","tag-oscar-tutusaus-santandreu"],"_links":{"self":[{"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/posts\/25863","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=25863"}],"version-history":[{"count":0,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/posts\/25863\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/media?parent=25863"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/categories?post=25863"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/tags?post=25863"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}