{"id":36335,"date":"1998-01-01T00:00:00","date_gmt":"1998-01-01T00:00:00","guid":{"rendered":""},"modified":"1998-01-01T00:00:00","modified_gmt":"1998-01-01T00:00:00","slug":"preparacion-de-alfa-aminoacidos-no-proteinogenicos-y-derivados-en-forma-racemica-o-enantiomericamente-pura-a-partir-de-bases-de-schiff-derivadas-de-la-glicina-mediante-catalisis-por-transferencia-d","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/quimica\/preparacion-de-alfa-aminoacidos-no-proteinogenicos-y-derivados-en-forma-racemica-o-enantiomericamente-pura-a-partir-de-bases-de-schiff-derivadas-de-la-glicina-mediante-catalisis-por-transferencia-d\/","title":{"rendered":"Preparacion de alfa-aminoacidos no proteinogenicos y derivados, en forma racemica o enantiomericamente pura, a partir de bases de schiff derivadas de la glicina, mediante catalisis por transferencia de fase."},"content":{"rendered":"<h2>Tesis doctoral de <strong>  Lopez Lozano Ana P. <\/strong><\/h2>\n<p>En la actualidad existe un gran inter\u00e9s por la s\u00edntesis de alfa-amino\u00e1cidos, debido a su potencial actividad en el fen\u00f3meno de la neurotransmisi\u00f3n. La presente tesis doctoral tiene como objetivo principal la preparaci\u00f3n de amino\u00e1cidos substituidos a partir de bases de schiff derivadas de la glicina en condiciones de cat\u00e1lisis por transferencia de fase. Los resultados conseguidos se pueden resumir de la siguiente manera:  &#8211; obtenci\u00f3n de amino\u00e1cidos disubstituidos potencialmente activos en neurotransmisi\u00f3n en forma rac\u00e9mica a partir del n- (difenilmetilen) glicinato de etilo (producto comercial y estable) en condiciones de cat\u00e1lisis por transferencia de fase s\u00f3lido-l\u00edquido. Las bases utilizadas son suaves tipo k2co3 en la introducci\u00f3n de la primera cadena y koh o etona en la introducci\u00f3n de la segunda cadena.  &#8211; obtenci\u00f3n de precursores de amino\u00e1cidos alfa monosubstituidos a partir de cetiminas derivadas de la glicina utilizando fluoruro de tetrabutilamonio como base.  &#8211; obtenci\u00f3n de amino\u00e1cidos alfa-monosubstituidos mediante adici\u00f3n de michael o alquilaci\u00f3n diastereoselectiva en condiciones de cat\u00e1lisis por transferencia de fase (utilizando k2co3 como base) mediante la introducci\u00f3n de la sultama de oppolzer como auxiliar quiral en n-(difenilmetilen)glicinato de etilo.<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Preparacion de alfa-aminoacidos no proteinogenicos y derivados, en forma racemica o enantiomericamente pura, a partir de bases de schiff derivadas de la glicina, mediante catalisis por transferencia de fase.<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Preparacion de alfa-aminoacidos no proteinogenicos y derivados, en forma racemica o enantiomericamente pura, a partir de bases de schiff derivadas de la glicina, mediante catalisis por transferencia de fase. <\/li>\n<li><strong>Autor:<\/strong>\u00a0  Lopez Lozano Ana P. <\/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\/1998<\/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>Roser Pleixats Rovira<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: Carlos \u00e1lvarez Ibarra <\/li>\n<li>Carlos Cativiela (vocal)<\/li>\n<li>Marcial Moreno Ma\u00f1as (vocal)<\/li>\n<li>Amadeu Llebaria (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Lopez Lozano Ana P. En la actualidad existe un gran inter\u00e9s por la s\u00edntesis de alfa-amino\u00e1cidos, debido [&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":[1104,160,17,416],"tags":[96271,5762,96270,96269,9083,92593],"class_list":["post-36335","post","type-post","status-publish","format-standard","hentry","category-aminoacidos","category-bioquimica","category-quimica","category-quimica-organica","tag-amadeu-llebaria","tag-carlos-alvarez-ibarra","tag-carlos-cativiela","tag-lopez-lozano-ana-p","tag-marcial-moreno-manas","tag-roser-pleixats-rovira"],"_links":{"self":[{"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/posts\/36335","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=36335"}],"version-history":[{"count":0,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/posts\/36335\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/media?parent=36335"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/categories?post=36335"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/tags?post=36335"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}