{"id":23230,"date":"2018-03-09T09:13:43","date_gmt":"2018-03-09T09:13:43","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/halo-e-hidrurocomplejos-de-renio-con-ligandos-dadores-de-fosforo\/"},"modified":"2018-03-09T09:13:43","modified_gmt":"2018-03-09T09:13:43","slug":"halo-e-hidrurocomplejos-de-renio-con-ligandos-dadores-de-fosforo","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/vigo\/halo-e-hidrurocomplejos-de-renio-con-ligandos-dadores-de-fosforo\/","title":{"rendered":"Halo e hidrurocomplejos de renio con ligandos dadores de f\u00f3sforo"},"content":{"rendered":"<h2>Tesis doctoral de <strong> Sandra Bola\u00f1o Garc\u00eda <\/strong><\/h2>\n<p>Con el fin de lograr la preparaci\u00f3n y caracterizaci\u00f3n de nuevos hidrurocomplejos de renio, se procedi\u00f3 en primer lugar a la s\u00edntesis de dos nuevos ligandos dadores de f\u00f3sforo, el 1,2-bis(difenilfosfinito)etano (dffe) y el 1,2-bis(diciclohexilfosfinito)etano (dcyfe), que fueron caracterizados por espectroscopia de rmn, y a partir de los cuales se obtuvieron los oxoclorocomplejos [reocl3(dffe)]1,[reocl2(oet)(dffe)] (2) y [reocl2(ome)(dcyfe)] (3) que fueron a su vez caracterizados por an\u00e1lisis elemental, espectrometr\u00eda de masas, espectroscopias ir y rmn y difracci\u00f3n de rayos x. Por reacci\u00f3n de (1) con varios ligandos monodentados l (fosfito, fosfonito y fosfinito), se obtuvieron los compuestos de f\u00f3rmula general [recl3(dffe)l] que fueron caracterizados por an\u00e1lisis elemental y espectroscopia de rmn. La reacci\u00f3n de (2) y (3) con borohidruro s\u00f3dico condujo a la obtenci\u00f3n de los heptahidruros [reh7(dffe)] y [reh7(dcyfe)], que una vez caracterizados dieron lugar, por protonaci\u00f3n con \u00e1cido tetrafluorob\u00f3rico, a dihidr\u00f3genocomplejos cati\u00f3nicos, y por dimerizaci\u00f3n, a las especies [re2h8(dffe)2] y [reh8(dcyfe)2] que fueron asimismo caracterizados, y que presentan cada una cuatro ligandos hidruro puente y cuatro terminales. Por su parte, los triclorocomplejos [recl3(dffe)l] fueron tratados con boro-hidruro s\u00f3dico dando lugar a los pentahidrurocomplejos [reh5(dffe)l]. En todos los casos los compuestos fueron caracterizados por las t\u00e9cnicas antes mencionadas, y las medidas de los tiempos m\u00ednimos de relajaci\u00f3n en el rmn de 1h permitieron en cada caso clasificarlos como hidruros cl\u00e1sicos o no cl\u00e1sicos. Adem\u00e1s, los espectros de rmn realizados a distintas temperaturas pusieron de manifiesto en todos ellos una alta fluxionalidad cuyo mecanismo de intercambio puedo ser propuesto con la ayuda de los programas inform\u00e1ticos de simulaci\u00f3n adecuados.<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Halo e hidrurocomplejos de renio con ligandos dadores de f\u00f3sforo<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Halo e hidrurocomplejos de renio con ligandos dadores de f\u00f3sforo <\/li>\n<li><strong>Autor:<\/strong>\u00a0 Sandra Bola\u00f1o Garc\u00eda <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Vigo<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 30\/05\/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>Jorge Bravo Bern\u00e1rdez<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: Antonio Sousa alonso <\/li>\n<li>stefano Antoniutti (vocal)<\/li>\n<li>Miguel \u00e1ngel Esteruelas rodrigo (vocal)<\/li>\n<li>Manuel Jim\u00e9nez tenorio (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Sandra Bola\u00f1o Garc\u00eda Con el fin de lograr la preparaci\u00f3n y caracterizaci\u00f3n de nuevos hidrurocomplejos de renio, [&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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