{"id":107285,"date":"2011-10-03T00:00:00","date_gmt":"2011-10-03T00:00:00","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/nuevos-metodos-de-acoplamiento-carbono-carbono-y-carbono-heteroatomo-mediante-el-empleo-de-sulfonilhidrazonas\/"},"modified":"2011-10-03T00:00:00","modified_gmt":"2011-10-03T00:00:00","slug":"nuevos-metodos-de-acoplamiento-carbono-carbono-y-carbono-heteroatomo-mediante-el-empleo-de-sulfonilhidrazonas","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/quimica-organica\/nuevos-metodos-de-acoplamiento-carbono-carbono-y-carbono-heteroatomo-mediante-el-empleo-de-sulfonilhidrazonas\/","title":{"rendered":"Nuevos m\u00e9todos de acoplamiento carbono-carbono y carbono-hetero\u00e1tomo mediante el empleo de sulfonilhidrazonas"},"content":{"rendered":"<h2>Tesis doctoral de <strong> Mar\u00eda Tom\u00e1s Gamasa <\/strong><\/h2>\n<p>La tem\u00e1tica de esta tesis doctoral est\u00e1 orientada hacia la modificaci\u00f3n no convencional de compuestos carbon\u00edlicos a trav\u00e9s de dos aproximaciones:  i.\tDesarrollo de nuevas reacciones de creaci\u00f3n de enlaces c-c y c-s catalizadas por paladio y hierro. ii.\tInvestigaci\u00f3n de nuevos procesos de creaci\u00f3n de enlaces c-c y c-hetero\u00e1tomo a trav\u00e9s de reacciones libres de metal.  el hilo conductor de la memoria es el empleo de sulfonilhidrazonas como veh\u00edculo para realizar estas transformaciones. de este modo, se ha dise\u00f1ado y explorado el potencial sint\u00e9tico de una nueva reacci\u00f3n de acoplamiento cruzado multicomponente y one-pot, catalizada por [pd2(dba)3] y xphos, de n-tosilhidrazonas y halogenuros de arilo y de alquenilo, que conduce de forma eficiente a alquenos y dienos conjugados. Estos resultados se recogen en el primer cap\u00edtulo. en el segundo cap\u00edtulo se presenta un proceso de creaci\u00f3n de enlaces c-s catalizado por fecl3. La transformaci\u00f3n permite convertir de manera eficiente sulfonilhidrazonas en distintos derivados de sulfona. se ha estudiado el acoplamiento reductor de tosilhidrazonas y \u00e1cidos bor\u00f3nicos que transcurre en ausencia de metal. Esta reacci\u00f3n de formaci\u00f3n de enlaces c-c supone un nuevo proceso de de arilaci\u00f3n\/alquilaci\u00f3n reductor de compuestos carbon\u00edlicos y se describe en el tercer cap\u00edtulo. el cuarto cap\u00edtulo se dedica a la s\u00edntesis de \u00e9teres a trav\u00e9s de una reacci\u00f3n de eterificaci\u00f3n reductora de tosilhidrazonas con alcoholes y fenoles, en ausencia de catalizadores met\u00e1licos. este estudio se ha completado con la implantaci\u00f3n de un nuevo proceso de creaci\u00f3n de enlaces c-n que se presenta en el quinto cap\u00edtulo. Esta transformaci\u00f3n permite la obtenci\u00f3n de azidas org\u00e1nicas a trav\u00e9s de una azidaci\u00f3n reductora de tosilhidrazonas y azida de sodio.<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Nuevos m\u00e9todos de acoplamiento carbono-carbono y carbono-hetero\u00e1tomo mediante el empleo de sulfonilhidrazonas<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Nuevos m\u00e9todos de acoplamiento carbono-carbono y carbono-hetero\u00e1tomo mediante el empleo de sulfonilhidrazonas <\/li>\n<li><strong>Autor:<\/strong>\u00a0 Mar\u00eda Tom\u00e1s Gamasa <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Oviedo<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 10\/03\/2011<\/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>Alfonso Carlos Vald\u00e9s G\u00f3mez<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: gregorio Asensio aguilar <\/li>\n<li>claudio Palomo nicolau (vocal)<\/li>\n<li>gregorio Valencia parera (vocal)<\/li>\n<li>julio Delgado mart\u00edn (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Mar\u00eda Tom\u00e1s Gamasa La tem\u00e1tica de esta tesis doctoral est\u00e1 orientada hacia la modificaci\u00f3n no convencional de [&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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