{"id":130989,"date":"1996-01-01T00:00:00","date_gmt":"1996-01-01T00:00:00","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/estudio-de-la-reactividad-de-lactonas-insaturadas-con-nitronas-y-azidas\/"},"modified":"1996-01-01T00:00:00","modified_gmt":"1996-01-01T00:00:00","slug":"estudio-de-la-reactividad-de-lactonas-insaturadas-con-nitronas-y-azidas","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/quimica\/estudio-de-la-reactividad-de-lactonas-insaturadas-con-nitronas-y-azidas\/","title":{"rendered":"Estudio de la reactividad de lactonas insaturadas con nitronas y azidas."},"content":{"rendered":"<h2>Tesis doctoral de <strong> David Alonso Perarnau <\/strong><\/h2>\n<p>En esta tesis doctoral se ha llevado a cabo un estudio de la reactividad de las cicloadiciones 1,3-dipolares de una nitrona: 1-oxido de 3,4-dihidro-2h- pirrol; y dos azidas:  bencil azida y tosil azida; a una serie de lactonas insaturadas.Las lactonas utilizadas han sido escogidas en funcion de presentar dobles enlaces endociclicos o exociclicos, o los dos tipos; en funcion del tama\u00f1o del anillo y en funcion de presentar dobles enlaces ricos o pobres en electrones.Asi, en general, las cicloadiciones 1,3-dipolares han funcionado mejor con la nitrona que con las azidas, en cuanto a rendimientos de obtencion de los cicloaductos y selectividad de las reacciones.Todos los aductos obtenidos han sido plenamente caracterizados mediante tecnicas de rmn.Por ultimo, mencionar que se han preparado los primeros ejemplos de seis sistemas heterociclicos.<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Estudio de la reactividad de lactonas insaturadas con nitronas y azidas.<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Estudio de la reactividad de lactonas insaturadas con nitronas y azidas. <\/li>\n<li><strong>Autor:<\/strong>\u00a0 David Alonso Perarnau <\/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\/1996<\/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>Josep Font Cierco<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: Ramon Mestres Quadreny <\/li>\n<li>Carlos Jaime Cardiel (vocal)<\/li>\n<li>Jaume Vilarrasa Llorens (vocal)<\/li>\n<li>Mar\u00eda  Ermitas Alcalde Pais (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de David Alonso Perarnau En esta tesis doctoral se ha llevado a cabo un estudio de la reactividad [&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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