{"id":7118,"date":"1995-01-01T00:00:00","date_gmt":"1995-01-01T00:00:00","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/1995\/01\/01\/estudio-de-la-inversion-en-c-4-en-derivados-de-d-manosa-sintesis-de-swainsonina\/"},"modified":"1995-01-01T00:00:00","modified_gmt":"1995-01-01T00:00:00","slug":"estudio-de-la-inversion-en-c-4-en-derivados-de-d-manosa-sintesis-de-swainsonina","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/quimica\/estudio-de-la-inversion-en-c-4-en-derivados-de-d-manosa-sintesis-de-swainsonina\/","title":{"rendered":"Estudio de la inversion en c-4 en derivados de d-manosa. sintesis de (-)-swainsonina."},"content":{"rendered":"<h2>Tesis doctoral de <strong>  Ruano Espina Myriam Inmaculada <\/strong><\/h2>\n<p>En este trabajo se sintetizan d-lactonas de interes en la sintesis de analogos de (-)-swainsonina. El intento de funcionalizacion en c-4 mediante el uso de la condensacion aldolica intramolecular de una dicetona, condujo a la estereoquimica invertida en c-4, lo que no permitio obtener analogos carbonados del alcaloide natural.  se estudia la evolucion estereoquimica de esta reaccion.  el tratamiento de distintos sustratos talopiranosidos con numerosos nucleofilos de azufre conduce en todos los casos al producto de la eliminacion. En ningun caso pudieron obtenerse los productos de la inversion en c-4.  el ensayo de la inversion en c-4 mediante tratamiento con azida sodica condujo con exito a la piperidina 72, cuya transformacion en el acetonido del alcaloide natural transcurre con un 68% de rendimiento. El rendimiento global a partir de d-manos es de un 20%, en una secuencia de quince pasos.<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Estudio de la inversion en c-4 en derivados de d-manosa. sintesis de (-)-swainsonina.<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Estudio de la inversion en c-4 en derivados de d-manosa. sintesis de (-)-swainsonina. <\/li>\n<li><strong>Autor:<\/strong>\u00a0  Ruano Espina Myriam Inmaculada <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Salamanca<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 01\/01\/1995<\/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>Francisco Bermejo Gonzalez<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: Manuel Grande Benito <\/li>\n<li>Francisco Jos\u00e9 Pulido Pelaz (vocal)<\/li>\n<li>Alberto Gonzalez Guerrero (vocal)<\/li>\n<li>Francisco Javier Burguillo Mu\u00f1oz (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Ruano Espina Myriam Inmaculada En este trabajo se sintetizan d-lactonas de interes en la sintesis de analogos [&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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