{"id":30727,"date":"2018-03-09T09:24:28","date_gmt":"2018-03-09T09:24:28","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/nuevas-estrategias-de-cicloadicion-basadas-en-la-utilizacion-de-derivados-ciclopropanicos\/"},"modified":"2018-03-09T09:24:28","modified_gmt":"2018-03-09T09:24:28","slug":"nuevas-estrategias-de-cicloadicion-basadas-en-la-utilizacion-de-derivados-ciclopropanicos","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/santiago-de-compostela\/nuevas-estrategias-de-cicloadicion-basadas-en-la-utilizacion-de-derivados-ciclopropanicos\/","title":{"rendered":"Nuevas estrategias de cicloadici\u00f3n basadas en la utilizaci\u00f3n de derivados cicloprop\u00e1nicos"},"content":{"rendered":"<h2>Tesis doctoral de <strong> Alejandro Delgado Alonso <\/strong><\/h2>\n<p>En esta tesis doctoral se han estudiado tres nuevas estrategias de cicloadici\u00f3n para la s\u00edntesis de carbociclos, dos de ellas para la s\u00edntesis de octaciclos y una para la s\u00edntesis de sistemas bic\u00edclicos [3.0.3].  dentro de las estrategias para la s\u00edntesis de octaciclos hemos desarrollado una estrategia de cicloadici\u00f3n [5+3] entre b-sililoxi-pironas y cetal ciclopropenos, aunque su bajo rendimiento impida su utilidad sint\u00e9tica, no obstante tiene una gran importancia mecan\u00edstica ya que es el primer precedente de este tipo de cicloadici\u00f3n. La otra estrategia implica la s\u00edntesis de octaciclos en tres etapas y est\u00e1 basada en una cicloadici\u00f3n [5+2] entre acetatos de piranulosa y cetal ciclopropeno, seguida de una reducci\u00f3n de la cetona resultante y posterior apertura del sistema cicloprop\u00e1nico empleando \u00e1cidos de lewis.  por \u00faltimo, hemos desarrollado una estrategia para la construcci\u00f3n de sistemas carboc\u00edclicos [3.3.0] mediante una cicloadici\u00f3n intramolecular catalizada por paladio entre metilenciclopropanos y alquinos. Cabe destacar que en esta estrategia, la preparaci\u00f3n del precursor y la cicloadici\u00f3n se puede realizar de manera t\u00e1ndem.<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Nuevas estrategias de cicloadici\u00f3n basadas en la utilizaci\u00f3n de derivados cicloprop\u00e1nicos<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Nuevas estrategias de cicloadici\u00f3n basadas en la utilizaci\u00f3n de derivados cicloprop\u00e1nicos <\/li>\n<li><strong>Autor:<\/strong>\u00a0 Alejandro Delgado Alonso <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Santiago de compostela<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 14\/06\/2004<\/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>Jos\u00e9 Luis Mascare\u00f1as Cid<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: victor sotero Martin garcia <\/li>\n<li> Fa\u00f1an\u00e1s vizcarra Francisco Javier (vocal)<\/li>\n<li> Sierra rodr\u00edguez Miguel \u00e1ngel (vocal)<\/li>\n<li>josep Bonjoch sese (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Alejandro Delgado Alonso En esta tesis doctoral se han estudiado tres nuevas estrategias de cicloadici\u00f3n para la [&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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