{"id":70881,"date":"2018-03-09T23:15:25","date_gmt":"2018-03-09T23:15:25","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/procesos-altamente-selectivos-promovidos-por-diyoduro-de-samario-reacciones-de-beta-eliminacion-secuenciales-y-de-baylis-hillman\/"},"modified":"2018-03-09T23:15:25","modified_gmt":"2018-03-09T23:15:25","slug":"procesos-altamente-selectivos-promovidos-por-diyoduro-de-samario-reacciones-de-beta-eliminacion-secuenciales-y-de-baylis-hillman","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/quimica\/procesos-altamente-selectivos-promovidos-por-diyoduro-de-samario-reacciones-de-beta-eliminacion-secuenciales-y-de-baylis-hillman\/","title":{"rendered":"Procesos altamente selectivos promovidos por diyoduro de samario: reacciones de beta-eliminaci\u00f3n, secuenciales y de baylis-hillman"},"content":{"rendered":"<h2>Tesis doctoral de <strong> Monica Huerta Lopez <\/strong><\/h2>\n<p>En esta memoria se describen nuevas aplicaciones sint\u00e9ticas de samario, diyoduro de samario y triyoduro de samario en qu\u00edmica org\u00e1nica. A lo largo de la memoria, se dedica una especial atenci\u00f3n a la diastereoselectividad con que transcurren los procesos descritos.  en el primer cap\u00edtulo se recogen los resultados obtenidos en la reacci\u00f3n de beta-eliminaci\u00f3n aplicada a la s\u00edntesis de (z)-alfa-cloro\u00e9steres, alfa,beta-insaturados y cetonas (e)-alfa,beta-insaturadas de forma diastereoselectiva. En este mismo cap\u00edtulo se describe una s\u00edntesis one-pot de (z)-haluros vin\u00edlicos, tambi\u00e9n diastereoselectiva, generando el diyoduro de samario in situ a partir de samario en polvo y diyodometano.  en el segundo cap\u00edtulo se describen dos reacciones secuenciales. La primera de ellas permite sintetizar de forma eficiente \u00e9steres 2,3-dideuterados a partir de alfa-halo-beta-hidroxi\u00e9steres mediante el empleo de samario en polvo, diyodometano y agua deuterada. La segunda reacci\u00f3n secuencial, recogida en este cap\u00edtulo, nos permite transformar aproximadas en ciclopropanocabozamidas mediante un proceso de eliminaci\u00f3n-ciclopropanaci\u00f3n promovido por diyoduro de samario y carbenoides de samario (generados a partir de samario y diyodometano). las ciclopropanocarboxamidas sintetizadas se han obtenido como un \u00fanico diastereosis\u00f3mero.  por \u00faltimo, en el tercer cap\u00edtulo, se recogen reacciones de baylis-hillman promovidas por dioyoduro de samario. Los aductos baylis-hillman se forman por acoplamiento entre 2-cloro\u00e9steres y 2-clorocetonas alfa,beta-insaturados y compuestos carbon\u00edlicos (aldeh\u00eddos y cetonas), obteni\u00e9ndose siempre los is\u00f3meros z con alta total diastereoselecci\u00f3n.<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Procesos altamente selectivos promovidos por diyoduro de samario: reacciones de beta-eliminaci\u00f3n, secuenciales y de baylis-hillman<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Procesos altamente selectivos promovidos por diyoduro de samario: reacciones de beta-eliminaci\u00f3n, secuenciales y de baylis-hillman <\/li>\n<li><strong>Autor:<\/strong>\u00a0 Monica Huerta Lopez <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Oviedo<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 22\/10\/2004<\/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 Manuel Concell\u00f3n Gracia<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: esther Dominguez perez <\/li>\n<li>Francisco Bermejo gonzalez (vocal)<\/li>\n<li>Fernando Lopez ortiz (vocal)<\/li>\n<li>cecilia Gomez lucas (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Monica Huerta Lopez En esta memoria se describen nuevas aplicaciones sint\u00e9ticas de samario, diyoduro de samario y [&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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