{"id":98032,"date":"2018-03-11T10:18:44","date_gmt":"2018-03-11T10:18:44","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/sa%c2%adntesi-de-derivats-ciclobuta-nics-enantioma%c2%a8ricament-purs-aproximacio-sinta%c2%a8tica-cap-al-dunnia-i-el-cumacra%c2%a8\/"},"modified":"2018-03-11T10:18:44","modified_gmt":"2018-03-11T10:18:44","slug":"sa%c2%adntesi-de-derivats-ciclobuta-nics-enantioma%c2%a8ricament-purs-aproximacio-sinta%c2%a8tica-cap-al-dunnia-i-el-cumacra%c2%a8","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/quimica-organica\/sa%c2%adntesi-de-derivats-ciclobuta-nics-enantioma%c2%a8ricament-purs-aproximacio-sinta%c2%a8tica-cap-al-dunnia-i-el-cumacra%c2%a8\/","title":{"rendered":"S\u00edntesi de derivats ciclobut\u00c1\u00a0nics enantiom\u00e9ricament purs. aproximaci\u00f3 sint\u00e9tica cap al dunni\u00c1\u00a0 i el cumacr\u00e9."},"content":{"rendered":"<h2>Tesis doctoral de <strong> S\u00f3nia Par\u00e9s Franzi <\/strong><\/h2>\n<p>En la presente tesis doctoral se ha llevado a cabo, en primer lugar, un estudio de la reacci\u00f3n de fotocicloadici\u00f3n [2+2] de la (-)-(s)-5-pivalo\u00ed\u00afloximetil-2(5h)-furanona a diferentes 2-butenos 1,4-disustituidos sim\u00e9tricos, en el marco de un proyecto que tiene como objetivo la preparaci\u00f3n de derivados ciclobut\u00e1nicos tetrasustituidos, precursores de productos naturales con actividad, como la esceptrina. en segundo lugar, se han realizado tres aproximaciones sint\u00e9ticas hacia los productos naturales ciclobut\u00e1nicos dunniano y cumacreno. Las tres rutas tienen como paso clave una reacci\u00f3n de fotocicloadici\u00f3n [2+2] de una 2(5h)-furanona quiral a derivados del etileno. La tercera aproximaci\u00f3n resulta ser la m\u00e1s efectiva, habi\u00e9ndose construido todo el esqueleto carbonado de ambos productos naturales.<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>S\u00edntesi de derivats ciclobut\u00c1\u00a0nics enantiom\u00e9ricament purs. aproximaci\u00f3 sint\u00e9tica cap al dunni\u00c1\u00a0 i el cumacr\u00e9.<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 S\u00edntesi de derivats ciclobut\u00c1\u00a0nics enantiom\u00e9ricament purs. aproximaci\u00f3 sint\u00e9tica cap al dunni\u00c1\u00a0 i el cumacr\u00e9. <\/li>\n<li><strong>Autor:<\/strong>\u00a0 S\u00f3nia Par\u00e9s Franzi <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Aut\u00f3noma de barcelona<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 15\/12\/2009<\/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>Marta Figueredo Galimany<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: Miguel \u00e1ngel Miranda alonso <\/li>\n<li>esther Lete exposito (vocal)<\/li>\n<li>  (vocal)<\/li>\n<li>  (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de S\u00f3nia Par\u00e9s Franzi En la presente tesis doctoral se ha llevado a cabo, en primer lugar, un [&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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