{"id":59031,"date":"2018-03-09T22:46:53","date_gmt":"2018-03-09T22:46:53","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/estudio-de-reactiv-de-carbenos-de-fischer-alfabeta-insaturados-sintesis-34-dihidrocumarinas-y-carbociclos-condensados\/"},"modified":"2018-03-09T22:46:53","modified_gmt":"2018-03-09T22:46:53","slug":"estudio-de-reactiv-de-carbenos-de-fischer-alfabeta-insaturados-sintesis-34-dihidrocumarinas-y-carbociclos-condensados","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/quimica-organica\/estudio-de-reactiv-de-carbenos-de-fischer-alfabeta-insaturados-sintesis-34-dihidrocumarinas-y-carbociclos-condensados\/","title":{"rendered":"Estudio de reactiv. de carbenos de fischer alfa,beta insaturados sintesis 34 dihidrocumarinas y carbociclos condensados"},"content":{"rendered":"<h2>Tesis doctoral de <strong> Facundo Andina Menendez <\/strong><\/h2>\n<p>Esta memoria, que se engloba dentro del campo de la qu\u00edmica organomet\u00e1lica, aborda el estudio de la reactividad de diferentes carbenos de fischer a,b-insaturados. El contenido de la misma ha sido dividido en dos cap\u00edtulos atendiendo al tipo de complejos utilizados y a la reacci\u00f3n a la que son sometidos.  en el primer cap\u00edtulo se ha desarrollado un protocolo experimental que permite acceder de forma sencilla a 4-aril-3,4-dihidrocumarinas a trav\u00e9s de la reacci\u00f3n entre alquenilcarbenos de fischer y acetales de cetena. Este proceso ha sido optimizado para la obtenci\u00f3n de estos interesantes compuestos a escala multigramo. Asimismo, se describe la transformaci\u00f3n de vinilidenos de cromo(0) en alquinos, hecho que, a fecha de redacci\u00f3n de la presente, carece de precedentes para metales del grupo 6.  en el segundo cap\u00edtulo se investiga el comportamiento de distinto tipos de alquinilcarbenos de fischer previamente dise\u00f1ados cuando son sometidos a varias reacciones de cicloadici\u00f3n. Como resultado se obtienen diversos procesos secuenciales dependientes de la estructura del complejo inicial. Desde el punto de vista sint\u00e9tico, las reacciones descritas en este cap\u00edtulo proporcionan derivados de naftaleno, fenantreno y benzoisoxazol, as\u00ed como polic\u00edclos de una alta complejidad estructural y dif\u00edcilmente accesibles por otras metodolog\u00edas.<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Estudio de reactiv. de carbenos de fischer alfa,beta insaturados sintesis 34 dihidrocumarinas y carbociclos condensados<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Estudio de reactiv. de carbenos de fischer alfa,beta insaturados sintesis 34 dihidrocumarinas y carbociclos condensados <\/li>\n<li><strong>Autor:<\/strong>\u00a0 Facundo Andina Menendez <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Oviedo<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 15\/06\/2007<\/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>Jos\u00e9 Joaquin Barluenga Mur<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: santos Fustero lardi\u00e9s <\/li>\n<li>edward Turos (vocal)<\/li>\n<li>pedro Jos\u00e9 Campos Garc\u00eda (vocal)<\/li>\n<li> Valdes gomez alfonso Carlos (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Facundo Andina Menendez Esta memoria, que se engloba dentro del campo de la qu\u00edmica organomet\u00e1lica, aborda el [&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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