{"id":53233,"date":"2018-03-09T22:40:53","date_gmt":"2018-03-09T22:40:53","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/gold-catalyzed-skeletal-rearrangements-and-cycloadditions-of-enynes\/"},"modified":"2018-03-09T22:40:53","modified_gmt":"2018-03-09T22:40:53","slug":"gold-catalyzed-skeletal-rearrangements-and-cycloadditions-of-enynes","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/organometalicos\/gold-catalyzed-skeletal-rearrangements-and-cycloadditions-of-enynes\/","title":{"rendered":"Gold-catalyzed skeletal rearrangements and cycloadditions of enynes"},"content":{"rendered":"<h2>Tesis doctoral de <strong> Cristina Montserrat Nieto Oberhuber <\/strong><\/h2>\n<p>Como primer objetivo de esta tesis doctoral, nos propusimos el desarrollo de nuevos complejos de au(i) con diferentes ligandos, con el fin de encontrar complejos m\u00e1s reactivos. Bas\u00e1ndonos en los resultados de reacci\u00f3n catolizadas por pd, decidimos utilizar fosfinas con ligandos bifenilo (2a-d), y complejos basados en ligandos n-heteroc\u00edclicos (3a-c). Tambi\u00e9n, se llev\u00f3 a cabo la preparaci\u00f3n de los correspondientes complejos cati\u00f3niones (2e-f) con el fin de evitar el uso de ag(i).     para determinar la eficacia de estos catalizadores, se ensayaron en reacciones conocidas en nuestro grupo de investigaci\u00f3n. En el estudio de estas reacciones se pudo observar que los complejos con ligandos fosfinas con bifenilos eran los m\u00e1s activos. En el caso de la reacci\u00f3n de transposici\u00f3n de esqueleto, estos permit\u00edan llevar a cabo la reacci\u00f3n a -40\u00c2\u00bac en tan s\u00f3lo 3h, con excelentes rendimientos. En el caso de la reacci\u00f3n de alcoxiciclaci\u00f3n, los tiempos de reacci\u00f3n se reduc\u00edan a temperatura ambiente a tan s\u00f3lo 15 min en el caso de los alquenos m\u00e1s activados. con el objetivo de estudiar la selectividad de los nuevos complejos se ensayo la reacci\u00f3n de bisciclopropanaci\u00f3n. De este estudio puede concluirse que, en general y para la mayor\u00eda de los complejos, el tetraciclo 17 se obtiene mayoritariamente o casi de forma exclusiva con excelentes rendimientos y conversiones, incluso a baja temperatura. aplicando c\u00e1lculos de dft, los posibles mecanismos han sido propuestos, los cuales dan lugar a los dos tetraciclos con configuraci\u00f3n opuesta alrededor del segundo ciclopropano. una vez estudiados los distintos complejos preparados, nos propusimos como segundo objetivo de esta tesis doctoral, la b\u00fasqueda de nueva reactividad asociada a los eninos. Cuando se emplea un grupo arilo como sustituyente del alquino. En este caso se produce una ciclaci\u00f3n an\u00e1loga dando lugar a 2,3,9,9a-tetrahidro-1h-ciclopental[b]naftalenos. la ciclaci\u00f3n tiene lugar con arilos diferent<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Gold-catalyzed skeletal rearrangements and cycloadditions of enynes<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Gold-catalyzed skeletal rearrangements and cycloadditions of enynes <\/li>\n<li><strong>Autor:<\/strong>\u00a0 Cristina Montserrat Nieto Oberhuber <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Aut\u00f3noma de Madrid<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 19\/06\/2006<\/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>M. Echavarren Antonio<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: pablo Espinet rubio <\/li>\n<li>nazario Martin leon (vocal)<\/li>\n<li>Miguel \u00e1ngel Peric\u00ed\u00a0s brondo (vocal)<\/li>\n<li>pedro P\u00e9rez romero (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Cristina Montserrat Nieto Oberhuber Como primer objetivo de esta tesis doctoral, nos propusimos el desarrollo de nuevos [&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 center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""}},"footnotes":""},"categories":[6775],"tags":[117487,94582,19695,37204,14575,85212],"class_list":["post-53233","post","type-post","status-publish","format-standard","hentry","category-organometalicos","tag-cristina-montserrat-nieto-oberhuber","tag-m-echavarren-antonio","tag-miguel-angel-perici-s-brondo","tag-nazario-martin-leon","tag-pablo-espinet-rubio","tag-pedro-perez-romero"],"_links":{"self":[{"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/posts\/53233","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/comments?post=53233"}],"version-history":[{"count":0,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/posts\/53233\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/media?parent=53233"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/categories?post=53233"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/tags?post=53233"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}