{"id":56736,"date":"2018-03-09T22:44:33","date_gmt":"2018-03-09T22:44:33","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/alquenil-sulfonas-en-reacciones-catalizadas-por-paladio-y-cobre-nuevos-metodos-en-catala%c2%adsis-asimetrica\/"},"modified":"2018-03-09T22:44:33","modified_gmt":"2018-03-09T22:44:33","slug":"alquenil-sulfonas-en-reacciones-catalizadas-por-paladio-y-cobre-nuevos-metodos-en-catala%c2%adsis-asimetrica","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/quimica\/alquenil-sulfonas-en-reacciones-catalizadas-por-paladio-y-cobre-nuevos-metodos-en-catala%c2%adsis-asimetrica\/","title":{"rendered":"Alquenil sulfonas en reacciones catalizadas por paladio y cobre: nuevos m\u00e9todos en catal\u00edsis asim\u00e9trica"},"content":{"rendered":"<h2>Tesis doctoral de <strong>  Llamas Gonz\u00e1lez Tom\u00e1s Manuel <\/strong><\/h2>\n<p>En la actualidad el desarrollo de m\u00e9todos eficaces de cat\u00e1lisis asim\u00e9trica constituye una de las \u00e1reas prioritarias de la s\u00edntesis org\u00e1nica. En el marco de un amplio proyecto de investigaci\u00f3n desarrollado por el grupo del prof. Juan carlos carretero, sobre la utilizaci\u00f3n de grupos auxiliares coordinantes en procesos de cat\u00e1lisis asim\u00e9trica, se plante\u00f3 como objetivo b\u00e1sico de la presente tesis doctoral el descubrimiento de nuevas reacciones catalizadas por metales de transici\u00f3n con alquenil sulfonas potencialmente coordinantes.      * la multiarilaci\u00f3n de alil sulfonas c\u00edclicas mediante reacci\u00f3n de heck y sustituci\u00f3n al\u00edlica catalizada por cobre.      * la hidrosililaci\u00f3n conjugada asim\u00e9trica de vinil sulfonas catalizada por cobre.     * la cicloadici\u00f3n 1,3-dipolar catal\u00edtica enantioselectiva de iluros de azometino con vinil sulfonas.     todas las transformaciones presentan una gran trascendencia sint\u00e9tica y un marcado car\u00e1cter innovador al no existir precedentes bibliogr\u00e1ficos sobre la utilizaci\u00f3n de alquenil sulfonas en procesos catalizados pro metales de transici\u00f3n. Por otra parte, teniendo en cuenta la gran versatilidad sint\u00e9tica del grupo sulfonilo, los productos obtenidos tienen un gran potencial en s\u00edntesis org\u00e1nica, especialmente en la preparaci\u00f3n de compuestos enantiom\u00e9ricamente puros.     1,- multiarilaci\u00f3n de alil sulfonas c\u00edclicas mediante reacci\u00f3n de heck y sustituci\u00f3n al\u00edlica catolizada por cobre. en esta tesis doctoral se ha encontrado que el empleo del grupo coordinante 2-piridinilsulfonilo posibilita la multiarilaci\u00f3n de sulfonas al\u00edlicas, un proceso inviable a partir de las tradicionales alil fenil sulfonas. As\u00ed, las alil 2-piridil sulfonas permiten la formaci\u00f3n de hasta tres enlaces c-c mediante una secuencia que implica sucesivas reacciones de heck catalizadas pro paladio y acomplamiento al\u00edlico catalizado por cobre. Este procedimiento permite la s\u00edntesis de cicloalquenos triarilados con gran<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Alquenil sulfonas en reacciones catalizadas por paladio y cobre: nuevos m\u00e9todos en catal\u00edsis asim\u00e9trica<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Alquenil sulfonas en reacciones catalizadas por paladio y cobre: nuevos m\u00e9todos en catal\u00edsis asim\u00e9trica <\/li>\n<li><strong>Autor:<\/strong>\u00a0  Llamas Gonz\u00e1lez Tom\u00e1s Manuel <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Aut\u00f3noma de Madrid<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 24\/01\/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>Juan  Carlos Carretero Gonz\u00e1lvez<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: Jos\u00e9 manuel Saa rodriguez <\/li>\n<li>pedro Merino filella (vocal)<\/li>\n<li>Jes\u00fas Jim\u00e9nez-barbero (vocal)<\/li>\n<li> Sarandeses da costa Luis (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Llamas Gonz\u00e1lez Tom\u00e1s Manuel En la actualidad el desarrollo de m\u00e9todos eficaces de cat\u00e1lisis asim\u00e9trica constituye una [&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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