{"id":107869,"date":"2011-08-04T00:00:00","date_gmt":"2011-08-04T00:00:00","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/reacciones-enantioselectivas-organocatalizadas-por-sales-de-amonio-de-cinchona-recuperables\/"},"modified":"2011-08-04T00:00:00","modified_gmt":"2011-08-04T00:00:00","slug":"reacciones-enantioselectivas-organocatalizadas-por-sales-de-amonio-de-cinchona-recuperables","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/quimica-organica\/reacciones-enantioselectivas-organocatalizadas-por-sales-de-amonio-de-cinchona-recuperables\/","title":{"rendered":"Reacciones enantioselectivas organocatalizadas por sales de amonio de cinchona recuperables"},"content":{"rendered":"<h2>Tesis doctoral de <strong> Silvia Tar\u00ed Segarra <\/strong><\/h2>\n<p>En la presente memoria se describe el empleo de sales de amonio derivadas de alcaloides de cinchona como organocatalizadores quirales recuperables en diferentes transformaciones enantioselectivas.   en el cap\u00edtulo i se han llevado a cabo cuaternizaciones enantioselectivas de \u00edY-ceto\u00e9steres c\u00edclicos. As\u00ed, se han realizado adiciones michael, alquilaciones y aminaciones enantioselectivas, en condiciones de reacci\u00f3n suaves.   en el cap\u00edtulo ii se describe el empleo de una sal de amonio dim\u00e9rica derivada de cinconidina como organocatalizador de transferencia de fase quiral en la alquilaci\u00f3n enantioselectiva de oxazol-5(4h)-onas.   finalmente, en el cap\u00edtulo iii se ha profundizado en el estudio de la dependencia de la enantioselectividad con la temperatura en la cianoformilaci\u00f3n enantioselectiva de aldeh\u00eddos, empleando la anterior sal de amonio dim\u00e9rica de cinconidina. Asimismo, se ha extendido la aplicaci\u00f3n de esta metodolog\u00eda a un mayor rango de aldeh\u00eddos. Estas sales de amonio dim\u00e9ricas han podido ser recuperadas mediante precipitaci\u00f3n y posterior filtraci\u00f3n, y reutilizadas sin p\u00e9rdida de actividad.<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Reacciones enantioselectivas organocatalizadas por sales de amonio de cinchona recuperables<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Reacciones enantioselectivas organocatalizadas por sales de amonio de cinchona recuperables <\/li>\n<li><strong>Autor:<\/strong>\u00a0 Silvia Tar\u00ed Segarra <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Alicante<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 08\/04\/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>Rafael Chinchilla<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: Miguel \u00e1ngel Yus astiz <\/li>\n<li>anna Roglans ribas (vocal)<\/li>\n<li>cecilia Gomez lucas (vocal)<\/li>\n<li>david Knight (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Silvia Tar\u00ed Segarra En la presente memoria se describe el empleo de sales de amonio derivadas 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 center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""}},"footnotes":""},"categories":[19166,416],"tags":[29431,154609,216471,5623,216470,216469],"class_list":["post-107869","post","type-post","status-publish","format-standard","hentry","category-alicante","category-quimica-organica","tag-anna-roglans-ribas","tag-cecilia-gomez-lucas","tag-david-knight","tag-miguel-angel-yus-astiz","tag-rafael-chinchilla","tag-silvia-tari-segarra"],"_links":{"self":[{"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/posts\/107869","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/comments?post=107869"}],"version-history":[{"count":0,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/posts\/107869\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/media?parent=107869"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/categories?post=107869"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/tags?post=107869"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}