{"id":21579,"date":"2003-07-02T00:00:00","date_gmt":"2003-07-02T00:00:00","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/sa%c2%adntesis-y-reactividad-de-13-bis-trimetilsililoxi-13-dienos-endo-exoca%c2%adclicos-en-reacciones-de-diels-alder-aplicaciones-en-la-sa%c2%adntesis-de-helicenos-y-neomarinona\/"},"modified":"2003-07-02T00:00:00","modified_gmt":"2003-07-02T00:00:00","slug":"sa%c2%adntesis-y-reactividad-de-13-bis-trimetilsililoxi-13-dienos-endo-exoca%c2%adclicos-en-reacciones-de-diels-alder-aplicaciones-en-la-sa%c2%adntesis-de-helicenos-y-neomarinona","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/a-coruna\/sa%c2%adntesis-y-reactividad-de-13-bis-trimetilsililoxi-13-dienos-endo-exoca%c2%adclicos-en-reacciones-de-diels-alder-aplicaciones-en-la-sa%c2%adntesis-de-helicenos-y-neomarinona\/","title":{"rendered":"S\u00edntesis y reactividad de 1,3-bis (trimetilsililoxi)-1,3 dienos endo-exoc\u00edclicos en reacciones de diels-alder. aplicaciones en la s\u00edntesis de helicenos y neomarinona"},"content":{"rendered":"<h2>Tesis doctoral de <strong> M.mar Real Gallego <\/strong><\/h2>\n<p>En este trabajo se han preparado diversos 1,3-bis(trimetilsililoxi)-1,3-dienos endo-exoc\u00edclicos de manera eficiente a partir de compuestos carbon\u00edlicos c\u00edclicos alfa-acetilados por tratamiento secuencial con lda y tmsc1, dos veces. Estos compuestos participan en reacciones de diels-alder y hetero-diels-alder, de manera eficiente y regioselectiva bajo condiciones de reacci\u00f3n suaves, con p-benzoquinona, acetilenodicarboxilato de dimetilo, metil vinil cetona, benzaldeh\u00eddo y n-bencilidenanilina, proporcionando una interesante variedad de compuestos polic\u00edclicos de posible inter\u00e9s en s\u00edntesis org\u00e1nica.  mediante la reacci\u00f3n de diels-alder entre varios 1,3-bis(trimetilsililoxi)-1,3-dienos endo-exoc\u00edclicos, preparados a partir de cetonas tetrahidroarom\u00e1ticas, y los dien\u00f3filos bencino y p-benzoquinona, se han preparado benzo[c]fenantrenos ([4]helicenos) y [5]helicenos funcionalizados).  se ha demostrado que los 1,3-bis(trimetilsililoxi)-1,3-dienos endo-exoc\u00edclicos son intermedios de utilidad para la s\u00edntesis del esqueleto del producto natural neomarinona. La reacci\u00f3n de diels-alder entre un 1,3-bis(trimetilsililoxi)-1,3-dieno endo-exoc\u00edclico convenientemente funcionalizado y una bromoquinona ha permitido la s\u00edntesis del esqueleto naftofur\u00e1nico de neomarinona. Asimismo, se han sintetizado intermedios \u00fatiles para la s\u00edntesis de la cadena lateral de neomarinona.<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>S\u00edntesis y reactividad de 1,3-bis (trimetilsililoxi)-1,3 dienos endo-exoc\u00edclicos en reacciones de diels-alder. aplicaciones en la s\u00edntesis de helicenos y neomarinona<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 S\u00edntesis y reactividad de 1,3-bis (trimetilsililoxi)-1,3 dienos endo-exoc\u00edclicos en reacciones de diels-alder. aplicaciones en la s\u00edntesis de helicenos y neomarinona <\/li>\n<li><strong>Autor:<\/strong>\u00a0 M.mar Real Gallego <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 A coru\u00f1a<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 07\/02\/2003<\/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>Jose Perez Sestelo<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: rafael Suau suarez <\/li>\n<li>enrique Guitian rivera (vocal)<\/li>\n<li> Garc\u00eda urbano Jos\u00e9 Luis (vocal)<\/li>\n<li>enrique G\u00f3mez bengoa (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de M.mar Real Gallego En este trabajo se han preparado diversos 1,3-bis(trimetilsililoxi)-1,3-dienos endo-exoc\u00edclicos de manera eficiente a partir [&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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