{"id":144760,"date":"1993-01-01T00:00:00","date_gmt":"1993-01-01T00:00:00","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/estereocontrol-en-las-cicloadiciones-de-diels-alder-utilizando-esteres-y-lactonas-homoquirales-sintesis-formal\/"},"modified":"1993-01-01T00:00:00","modified_gmt":"1993-01-01T00:00:00","slug":"estereocontrol-en-las-cicloadiciones-de-diels-alder-utilizando-esteres-y-lactonas-homoquirales-sintesis-formal","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/quimica\/estereocontrol-en-las-cicloadiciones-de-diels-alder-utilizando-esteres-y-lactonas-homoquirales-sintesis-formal\/","title":{"rendered":"Estereocontrol en las cicloadiciones de diels-alder utilizando esteres y lactonas homoquirales: sintesis formal."},"content":{"rendered":"<h2>Tesis doctoral de <strong> Ramon Casas Ballester <\/strong><\/h2>\n<p>Estudio de la diastereoselectividad facial en las cicloadiciones de diels-alder de esteres y lactonas a diferentes dienos, en condiciones de activacion termica o de induccion por la alta presion. Los resultados obtenidos con los esteres marcan una diastereoselccion syn, racinalizados con estudios teoricos. Los esteres ensayados no cumplen el modelo de felkinanh. Al estudiar las cicloadiciones de los pseudoesteres se llega a la conclusion de que los efectos estericos son tan importantes como los orbitalarios, en el control de la diastereoselectividad. La selectividad preferencial observada con las butenolidas es anti. Los esteres utilizados son analogos aciclicos de alguna butenolida, esto implica que el uso de un sistema ciclico o aciclico invierte la selectividad. Algunos de los adductos conducen a intermedios clave en la sintesis de antagonistas.<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Estereocontrol en las cicloadiciones de diels-alder utilizando esteres y lactonas homoquirales: sintesis formal.<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Estereocontrol en las cicloadiciones de diels-alder utilizando esteres y lactonas homoquirales: sintesis formal. <\/li>\n<li><strong>Autor:<\/strong>\u00a0 Ramon Casas Ballester <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Aut\u00f3noma de barcelona<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 01\/01\/1993<\/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>Rosa Mar\u00eda Ortu\u00f1o Mingarro<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: Josep Font Cierco <\/li>\n<li>Jos\u00e9 Luis Garc\u00eda Ruano (vocal)<\/li>\n<li>Gregorio Asensio Aguilar (vocal)<\/li>\n<li>Joaquin Plumet Ortega (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Ramon Casas Ballester Estudio de la diastereoselectividad facial en las cicloadiciones de diels-alder de esteres y lactonas [&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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