{"id":101316,"date":"2010-02-06T00:00:00","date_gmt":"2010-02-06T00:00:00","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/nitruros-moleculares-de-titanio-con-elementos-del-grupo-11\/"},"modified":"2010-02-06T00:00:00","modified_gmt":"2010-02-06T00:00:00","slug":"nitruros-moleculares-de-titanio-con-elementos-del-grupo-11","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/compuestos-coordinados\/nitruros-moleculares-de-titanio-con-elementos-del-grupo-11\/","title":{"rendered":"Nitruros moleculares de titanio con elementos del grupo 11"},"content":{"rendered":"<h2>Tesis doctoral de <strong> Noelia Martinez Espada <\/strong><\/h2>\n<p>La tesis doctoral describe la s\u00edntesis de complejos nitruro heteromet\u00e1licos de estructura abierta o cerrada tipo cubo. Los reactivos empleados son, el sistema organomet\u00e1lico [{ticp*(nh)}3(3-n)] (1) y el complejo tetranuclear [{ticp*}4(3-n)4] (cp* = 5-c5me5), y diversos derivados de elementos del grupo 11.Experimentalmente hemos comprobado que el complejo preorganizado (1) es un ligando tridentado capaz de incorporar, a trav\u00e9s de los grupos imido, haluros y triflatos de cobre(i) y plata(i) para formar aductos de f\u00f3rmula general [xm{(3-nh)3(ticp*)3(3-n)}], que en disoluci\u00f3n se comportan como azaheterometalocubanos. Estos aductos y el complejo [{ticp*}4(3-n)4] pueden actuar tambi\u00e9n como bases de lewis a trav\u00e9s de los ligandos nitruro (3-n) e incorporar diversos derivados de cobre(i), en un comportamiento qu\u00edmico sin precedentes para sistemas polinucleares de titanio. Los aductos del metaloligando 1 con cloruro de cobre o plata experimentan procesos de met\u00e1tesis con derivados de litio (lir) y, dependiendo de la basicidad del grupo r utilizado, se produce la deprotonaci\u00f3n m\u00e1s o menos controlada de uno de los grupos imido del sistema metalocubano, para dar nitruros mixtos moleculares que contienen titanio y cobre o plata. Por otro lado, especies dadoras como amoniaco, piridina, isocianuros y fosfanos pueden desplazar el oxoani\u00f3n triflato de los aductos que lo contienen, para dar compuestos i\u00f3nicos donde el cati\u00f3n es un azaheterometalocubano de titanio y cobre o plata. Cuando se utilizan bisfosfanos, es posible la construcci\u00f3n de sistemas constituidos por dos cubos unidos a trav\u00e9s de estos ligandos bidentados.Todas las experiencias descritas en la memoria se han realizado bajo atm\u00f3sfera inerte de arg\u00f3n utilizando t\u00e9cnicas de schlenk en una l\u00ednea de vac\u00edo-arg\u00f3n o una \u00abcaja seca\u00bb. Los complejos sintetizados son s\u00f3lidos cuya caracterizaci\u00f3n se ha llevado a cabo mediante an\u00e1lisis elemental, espectrofotometr\u00eda ir, y espectroscop\u00eda de rmn. En muchos casos, tambi\u00e9n fue posible realizar su estudio estructural mediante difracci\u00f3n de rayos-x de monocristal.<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Nitruros moleculares de titanio con elementos del grupo 11<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Nitruros moleculares de titanio con elementos del grupo 11 <\/li>\n<li><strong>Autor:<\/strong>\u00a0 Noelia Martinez Espada <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Alcal\u00e1<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 02\/06\/2010<\/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>Carlos Yelamos Sanchez<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: Mar\u00eda no Laguna castrillo <\/li>\n<li>lawrence rocco Falvello (vocal)<\/li>\n<li>Mar\u00eda teresa Avil\u00e9s perea (vocal)<\/li>\n<li>reyes Jim\u00e9nez aparicio (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Noelia Martinez Espada La tesis doctoral describe la s\u00edntesis de complejos nitruro heteromet\u00e1licos de estructura abierta o [&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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