{"id":81297,"date":"2018-03-10T00:05:10","date_gmt":"2018-03-10T00:05:10","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/estudios-en-triazolopiridinas-aplicacion-a-la-sintesis-de-22a-bipiridinas-66a-disustituidas\/"},"modified":"2018-03-10T00:05:10","modified_gmt":"2018-03-10T00:05:10","slug":"estudios-en-triazolopiridinas-aplicacion-a-la-sintesis-de-22a-bipiridinas-66a-disustituidas","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/quimica\/estudios-en-triazolopiridinas-aplicacion-a-la-sintesis-de-22a-bipiridinas-66a-disustituidas\/","title":{"rendered":"Estudios en triazolopiridinas: aplicaci\u00f3n a la sintesis de 2,2\u00c2\u00bf-bipiridinas-6,6\u00c2\u00bf-disustituidas"},"content":{"rendered":"<h2>Tesis doctoral de <strong> Mostafa Elmasnaouy <\/strong><\/h2>\n<p>Se han sintetizado una serie de trizaolopiridinas, como sustratos de partida para nuestro trabajo, mediante una reacci\u00f3n de condensaci\u00f3n de las 2-piridina carbaldehidos o cetonas, con hidrazina y posterior oxidaci\u00f3n con mno2.  en primer lugar, se llev\u00f3 a cabo un estudio de las reacciones de hidrogenaci\u00f3n catal\u00edtica de estos sustratos, observando que la reacci\u00f3n se produce selectivamente en el anillo de la piridina.  en segundo lugar se han estudiado sus reacciones de litiaci\u00f3n, demostrando que los resultados de esta reacci\u00f3n dependen fuertemente de la temperatura. as\u00ed, a -41\u00c2\u00ba c, la reacci\u00f3n de litiaci\u00f3n seguida de tratamiento con electrofilos da lugar a las triazolopiridinas sustituidas en la posici\u00f3n c-7,regioselectivamente.  por un proces de dimerizaci\u00f3n a -70\u00c2\u00bac, se forman las 7,7\u00c2\u00bf-triazolopiridinas, sin precedentes en la literatura.  por \u00faltimo se aplico la reacci\u00f3n de apertura del anillo de triazol de las triazolopiridinas a los d\u00edmeros formados, obteniendo con excelentes rendimientos, 2,2\u00c2\u00bf-bipiridinas-6,6\u00c2\u00bf-disustituidas. Esta reacci\u00f3n supone una alternativa sint\u00e9tica para estos sustratos, de gran importancia en quimica supramolecular.<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Estudios en triazolopiridinas: aplicaci\u00f3n a la sintesis de 2,2\u00c2\u00bf-bipiridinas-6,6\u00c2\u00bf-disustituidas<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Estudios en triazolopiridinas: aplicaci\u00f3n a la sintesis de 2,2\u00c2\u00bf-bipiridinas-6,6\u00c2\u00bf-disustituidas <\/li>\n<li><strong>Autor:<\/strong>\u00a0 Mostafa Elmasnaouy <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Universitat de val\u00e9ncia (estudi general)<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 19\/11\/1999<\/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>Belen Abarca Gonzalez<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: jose Elguero bertolini <\/li>\n<li>Mar\u00eda  ermitas Alcalde pais (vocal)<\/li>\n<li>pelayo Camps Garc\u00eda (vocal)<\/li>\n<li>Manuel Melguizo guijarro (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Mostafa Elmasnaouy Se han sintetizado una serie de trizaolopiridinas, como sustratos de partida para nuestro trabajo, mediante [&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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