{"id":20568,"date":"2018-03-09T09:09:57","date_gmt":"2018-03-09T09:09:57","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/sa%c2%adntesis-de-nuevos-ligandos-ciclopentadiena%c2%adlicos-a-partir-de-furano\/"},"modified":"2018-03-09T09:09:57","modified_gmt":"2018-03-09T09:09:57","slug":"sa%c2%adntesis-de-nuevos-ligandos-ciclopentadiena%c2%adlicos-a-partir-de-furano","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/sa%c2%adntesis-de-nuevos-ligandos-ciclopentadiena%c2%adlicos-a-partir-de-furano\/","title":{"rendered":"S\u00edntesis de nuevos ligandos ciclopentadien\u00edlicos a partir de furano"},"content":{"rendered":"<h2>Tesis doctoral de <strong> Claudia Araceli Contreras Celedon <\/strong><\/h2>\n<p>Los derivados de ciclopentadieno originan una de las familias de ligados m\u00e1s importantes en qu\u00edmica organomet\u00e1lica. Las propiedades de los metalocenos a los que dan lugar dependen directamente de la sustituci\u00f3n existente en el ligando. De ah\u00ed la gran importancia que tiene el desarrollo de nuevos m\u00e9todos sint\u00e9ticos que permitan una sustituci\u00f3n regioselectiva y vers\u00e1til.  en esta memoria se describe la obtenci\u00f3n de ligandos ciclopentadien\u00edlicos 1,2,3-trisustituidos por funcionalizaci\u00f3n de 4-hidroxiciclopentenona, mediante una estrategia sint\u00e9tica com\u00fan utilizando furfural como material de partida.  este procedimiento se basa en la obtenci\u00f3n de 4-hidroxiciclopentenonas 1 a partir de furilcarbinoles.  el segundo sustituyente del ligando se introduce haciendo reaccionar estas ciclopentenonas con un reactivo de grignard en thf. En estas condiciones se da la adici\u00f3n 1,4 de forma altamente regio y estereoselectiva.  para introducir el tercer sustituyente se necesitan 3 pasos de reacci\u00f3n:  1,- deshidrataci\u00f3n de 2 para obtener ciclopentenonas 3  2,- adici\u00f3n 1,2 de un organol\u00edtico para dar lugar a un vinilcarbinol 4  3,- deshidrataci\u00f3n de estos compuestos para obtener finalmente los correspondientes ciclopentadienos trisustituidos 5.<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>S\u00edntesis de nuevos ligandos ciclopentadien\u00edlicos a partir de furano<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 S\u00edntesis de nuevos ligandos ciclopentadien\u00edlicos a partir de furano <\/li>\n<li><strong>Autor:<\/strong>\u00a0 Claudia Araceli Contreras Celedon <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Complutense de Madrid<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 13\/12\/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>Joaquin Plumet Ortega<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal:  Quiroga feijoo Mar\u00eda  luz <\/li>\n<li>pilar Goya laza (vocal)<\/li>\n<li>lLuisa Vennasar f\u00e9lix (vocal)<\/li>\n<li>bego\u00f1a Pe\u00f1a garcia (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Claudia Araceli Contreras Celedon Los derivados de ciclopentadieno originan una de las familias de ligados m\u00e1s importantes [&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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