{"id":42435,"date":"1999-01-01T00:00:00","date_gmt":"1999-01-01T00:00:00","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/complejos-de-itrio-y-lantanidos-con-macrobiciclos-axiales-base-de-schiff\/"},"modified":"1999-01-01T00:00:00","modified_gmt":"1999-01-01T00:00:00","slug":"complejos-de-itrio-y-lantanidos-con-macrobiciclos-axiales-base-de-schiff","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/quimica\/complejos-de-itrio-y-lantanidos-con-macrobiciclos-axiales-base-de-schiff\/","title":{"rendered":"Complejos de itrio y lantanidos con macrobiciclos axiales base de schiff."},"content":{"rendered":"<h2>Tesis doctoral de <strong> Fernando Francisco Avecilla Porto <\/strong><\/h2>\n<p>En la presente tesis doctoral se describe la s\u00edntesis y caracterizaci\u00f3n de complejos de itrio y lant\u00e1nidos con receptores macroc\u00edclicos del tipo criptando con espaciadores que contienen anillos arom\u00e1ticos lo que les confiere cierta rigidez con el objetivo primero de preparar complejos binucleares. se han empleado diferentes tipos de receptores que difieren, principalmente, en el n\u00famero y disposici\u00f3n de los \u00e1tomos dadores si bien todos poseen una \u00abamplitud axial\u00bb que a priori pudiera permitirles incorporar dos de estosiones met\u00e1licos en su interior.  los complejos preparados con los receptores neutros caracterizados por diferentes t\u00e9cnicas espectrosc\u00f3picas y de difracci\u00f3n de rayos x de monocristal, s\u00f3lo incorporan un i\u00f3n met\u00e1lico que se sit\u00faa descentrado en la cavidad macrobic\u00edclica. Sin embargo, uno de los receptores estudiados contiene espaciadores fen\u00f3licos que se pueden desprotonar resultando un nuevo receptor ani\u00f3nico que se muestra capaz de vencer las repulsiones entre los dos iones lant\u00e1nidos (iii) y permite la incorporaci\u00f3n de ambos cationes simult\u00e1neamente en su interior. Estos sistemas obtenidos constituyen los primeros ejemplos de criptatos binucleares de lant\u00e1nidos y suponen un importante avance en el campo de la qu\u00edmica supramolecular ya que sit\u00faan a dos iones ln(iii) en zonas muy pr\u00f3ximas del espacio al tiempo que se mantienen aceptablemente aisladas del medio.<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Complejos de itrio y lantanidos con macrobiciclos axiales base de schiff.<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Complejos de itrio y lantanidos con macrobiciclos axiales base de schiff. <\/li>\n<li><strong>Autor:<\/strong>\u00a0 Fernando Francisco Avecilla Porto <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 A coru\u00f1a<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 01\/01\/1999<\/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> Blas Varela Andrs M. De<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: arturo Garcia vazquez <\/li>\n<li>antoni Llobet dalmases (vocal)<\/li>\n<li>virtudes Moreno Martinez (vocal)<\/li>\n<li> Bastida de la calle m. rufina (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Fernando Francisco Avecilla Porto En la presente tesis doctoral se describe la s\u00edntesis y caracterizaci\u00f3n de complejos [&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":[18576,19,17,20,7078],"tags":[29185,96815,57008,106685,106684,3037],"class_list":["post-42435","post","type-post","status-publish","format-standard","hentry","category-a-coruna","category-compuestos-coordinados","category-quimica","category-quimica-inorganica","category-tierras-raras","tag-antoni-llobet-dalmases","tag-arturo-garcia-vazquez","tag-bastida-de-la-calle-m-rufina","tag-blas-varela-andrs-m-de","tag-fernando-francisco-avecilla-porto","tag-virtudes-moreno-Martinez"],"_links":{"self":[{"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/posts\/42435","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=42435"}],"version-history":[{"count":0,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/posts\/42435\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/media?parent=42435"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/categories?post=42435"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/tags?post=42435"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}