{"id":15258,"date":"2018-03-09T09:02:20","date_gmt":"2018-03-09T09:02:20","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/nuevos-compuestos-organometalicos-derivados-del-fragmento-m-nu3-alilo-co2-mmo-w\/"},"modified":"2018-03-09T09:02:20","modified_gmt":"2018-03-09T09:02:20","slug":"nuevos-compuestos-organometalicos-derivados-del-fragmento-m-nu3-alilo-co2-mmo-w","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/quimica\/nuevos-compuestos-organometalicos-derivados-del-fragmento-m-nu3-alilo-co2-mmo-w\/","title":{"rendered":"\u00abnuevos compuestos organometalicos derivados del fragmento {m (nu3-alilo) (co)2} (m=mo, w)\u00bb"},"content":{"rendered":"<h2>Tesis doctoral de <strong> Lucia Riera Menendez <\/strong><\/h2>\n<p>La mayor parte del trabajo recogido en la presente memoria se centra en la reactividad de los complejos [mc1(n3-alilo)(co)2(n-n)] (m=mo, w, n-n=2,2\u00c2\u00bf-dipiridina, 1,10-fenantrolina)frente a una gran variedad de nucle\u00f3filos ani\u00f3nicos.  en primer lugar se han empleado como nucle\u00f3filos carbani\u00f3nicos reactivos mgr2 y acetiluros alcalinos. En ninguno de estos casos se ha observado el ataque del carbani\u00f3n al grupo n3-alilo, en claro contraste con los resultados, previamente conocidos, obtenidos al emplear carbaniones estabilizados. como \u00fanicos productos de estas reacciones se han obtenido los complejos [m(r)(n3 -alilo)(n-n)] (r=alquilo, alquinilo). La geometria de ambos tipos de compuestos han sido determinada tanto en disolucion como en estado solido, encontrandose que los dos ligandos hidrocarbonados ocupan posiciones mutuamente trans, a lo cual atribuimos su estabilidad frente a la eliminacion de productos de alquilaci\u00f3n alilica.  la facilidad con que se produce la ruptura de los enlaces metal-alquinilo en los derivados [m(c=cr)(n3-alilo) (co)2(n-n)] ha permitido emplearlos para transferir grupos alquinilo a otros fragmetos metalicos.  el empleo de nucle\u00f3filos no carbani\u00f3nicos tales como alc\u00f3xidos, amiduros, etc., Ha permitido preparar nuevos compolejos de tipo [m(y)(n3-alilo)(co)2(n-n], ha permitido emplearlos para transferir grupos alquinilo a otros fragmentos metalicos.  el empleo de nucle\u00f3filos no carbani\u00f3nicos tales como alc\u00f3xidos, amiduros, etc., Ha permitido preparar nuevos complejos del tipo [m(y)(n3-alilo) (co)2(n-n)] de los cuales los complejos alcoxo y amido han resultado ser particularmente reactivos, habiendose encontrado que insertan moleculas organicos insaturadas en los enlaces m-o y m-n en condiciones suaves de reacci\u00f3n.  la reacci\u00f3n de los complejos [mo(otf)(n3-alilo)(co)2(n-n)] con la sal nabar4\u00c2\u00bf(ar=3,5-bis(trifluorometil)fenilo) ha permitido la generaci\u00f3n en condiciones suaves, de especies muyelectrof<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>\u00abnuevos compuestos organometalicos derivados del fragmento {m (nu3-alilo) (co)2} (m=mo, w)\u00bb<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 \u00abnuevos compuestos organometalicos derivados del fragmento {m (nu3-alilo) (co)2} (m=mo, w)\u00bb <\/li>\n<li><strong>Autor:<\/strong>\u00a0 Lucia Riera Menendez <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Oviedo<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 24\/01\/2002<\/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>Victor Riera Gonz\u00e1lez<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: pascual Royo gracia <\/li>\n<li>Antonio Laguna castrillo (vocal)<\/li>\n<li>Juan Fornies gracia (vocal)<\/li>\n<li> Miguel san Jos\u00e9 daniel (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Lucia Riera Menendez La mayor parte del trabajo recogido en la presente memoria se centra en la [&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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