{"id":130496,"date":"1996-01-01T00:00:00","date_gmt":"1996-01-01T00:00:00","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/cristales-liquidos-de-paladio-fases-quirales-nuevas-en-metalomesogenos\/"},"modified":"1996-01-01T00:00:00","modified_gmt":"1996-01-01T00:00:00","slug":"cristales-liquidos-de-paladio-fases-quirales-nuevas-en-metalomesogenos","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/quimica\/cristales-liquidos-de-paladio-fases-quirales-nuevas-en-metalomesogenos\/","title":{"rendered":"Cristales liquidos de paladio. fases quirales nuevas en metalomesogenos."},"content":{"rendered":"<h2>Tesis doctoral de <strong> Julio Buey Gonzalez <\/strong><\/h2>\n<p>Se han preparado nuevas series de cristales liquidos basados en derivados ortometalados de paladio (ii) con iminas o fenilpiridinas, con el objetivo de relacionar la estructura molecular con las propiedades macroscopicas.  se ha realizado un estudio sistematico de la influencia de la longitud de las cadenas en el ligando sobre las propiedades mesogenas de los siguientes tipos de complejos de paladio:  1) complejos dinucleares con puentes acetato o cloro y mononucleares con acetilacetonato o beta-aminoenonato. 2) complejos dinucleares con puentes mixtos cloro-tiolato y acetato-tiolato. 3) complejos dinucleares con carboxilatos quirales, con puentes mixtos carboxilato quiral-tiolato, y derivados con imina quiral y beta-aminoenona. 4) complejos ortometalados con fenilpiridinas.  para los compuestos con puentes mixtos se obtiene disposicion cis de los ligandos, situacion novedosa en derivados ortometalados de paladio. Los resultados obtenidos en los compuestos que contienen centros quirales son destacables: los derivados con carboxilatos quirales muestran un comportamiento poco comun conocido como \u00abdoble punto de fusion\u00bb, los derivados con carboxilato quiral-tiolato muestran mesofases nematicas quirales, obtenidas por vez primera en cristales liquidos que contienen metales, mientras que los derivados con imina quiral y beta-aminoenona muestran, tambien por vez primera, fases azules. Los ligandos fenilpiridina muestran ser prometedores en la sintesis de nuevos cristales liquidos organometalicos.<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Cristales liquidos de paladio. fases quirales nuevas en metalomesogenos.<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Cristales liquidos de paladio. fases quirales nuevas en metalomesogenos. <\/li>\n<li><strong>Autor:<\/strong>\u00a0 Julio Buey Gonzalez <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Valladolid<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 01\/01\/1996<\/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>Pablo Espinet Rubio<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal:  Gonzalez Calvet Jos\u00e9 Mar\u00eda <\/li>\n<li>Jes\u00fas Etxebarria Ecenarro (vocal)<\/li>\n<li>Santiago Garcia Granda (vocal)<\/li>\n<li> Miguel Garcia Jes\u00fas Angel (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Julio Buey Gonzalez Se han preparado nuevas series de cristales liquidos basados en derivados ortometalados de paladio [&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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