{"id":57436,"date":"2007-09-03T00:00:00","date_gmt":"2007-09-03T00:00:00","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/adiciones-aldolicas-anti-estereoselectivas-y-su-aplicacion-en-la-sintesis-de-productos-naturales\/"},"modified":"2007-09-03T00:00:00","modified_gmt":"2007-09-03T00:00:00","slug":"adiciones-aldolicas-anti-estereoselectivas-y-su-aplicacion-en-la-sintesis-de-productos-naturales","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/estereoquimica-y-analisis-conformacional\/adiciones-aldolicas-anti-estereoselectivas-y-su-aplicacion-en-la-sintesis-de-productos-naturales\/","title":{"rendered":"Adiciones aldolicas anti estereoselectivas y su aplicacion en la sintesis de productos naturales"},"content":{"rendered":"<h2>Tesis doctoral de <strong> Purificacion Ruiz Carretero <\/strong><\/h2>\n<p>Debido a que en la literatura existen pocos m\u00e9todos para la formaci\u00f3n de aldoles de configuraci\u00f3n anti, nos planteamos, en la presente tesis, realizar un estudio de las adiciones ald\u00f3licas de enolatos de cetonas quirales polioxigenadas con la finalidad de obtener aldoles con esta configuraci\u00f3n. Para ello, se utiliz\u00f3 como precursor de estas cetonas quirales el carbohidrato l-eritrulosa. El primer objetivo fu\u00e9 la preparaci\u00f3n de una cetona que presentara el hidroxilo del estereocentro protegido con un grupo electr\u00f3n atrayente, ya que hab\u00edamos observado que este factor nos permit\u00eda obtener, en el proceso de enolizaci\u00f3n, enolatos de configuraci\u00f3n e, que cuando se adicionaban a aldeh\u00eddos se obten\u00edan con elevado estereocontrol, aldoles de configuraci\u00f3n anti. Con el empleo de esta cetona y una serie de deh\u00eddos, tanto aquirales como quirales, se han obtenido este tipo de aldoles. Adem\u00e1s, una vez determinadas las condiciones de reacci\u00f3n se ha realizado una conversi\u00f3n de estos aldoles en una serie de sintones d3 y d4 que sirven como precursores de mol\u00e9culas m\u00e1s complejas, en definitiva, para la s\u00edntesis de productos naturales como el goniotalesdiol, goniofufurona y cardiobutan\u00f3lido.<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Adiciones aldolicas anti estereoselectivas y su aplicacion en la sintesis de productos naturales<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Adiciones aldolicas anti estereoselectivas y su aplicacion en la sintesis de productos naturales <\/li>\n<li><strong>Autor:<\/strong>\u00a0 Purificacion Ruiz Carretero <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Jaume i de castell\u00f3n<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 09\/03\/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>Miguel Carda Uso<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: esther Dominguez perez <\/li>\n<li>isidro Gonzalez collado (vocal)<\/li>\n<li>Carlos Cativiela mar\u00edn (vocal)<\/li>\n<li>Manuel Arno giribet (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Purificacion Ruiz Carretero Debido a que en la literatura existen pocos m\u00e9todos para la formaci\u00f3n de aldoles [&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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