{"id":22762,"date":"2018-03-09T09:13:03","date_gmt":"2018-03-09T09:13:03","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/porfirinas-solubles-en-agua-sa%c2%adntesis-homoasociacion-y-propiedades-fotofa%c2%adsicas-de-porfirinas-sulfonadas-515-difenilsustituidas\/"},"modified":"2018-03-09T09:13:03","modified_gmt":"2018-03-09T09:13:03","slug":"porfirinas-solubles-en-agua-sa%c2%adntesis-homoasociacion-y-propiedades-fotofa%c2%adsicas-de-porfirinas-sulfonadas-515-difenilsustituidas","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/quimica\/porfirinas-solubles-en-agua-sa%c2%adntesis-homoasociacion-y-propiedades-fotofa%c2%adsicas-de-porfirinas-sulfonadas-515-difenilsustituidas\/","title":{"rendered":"Porfirinas solubles en agua: s\u00edntesis, homoasociaci\u00f3n y propiedades fotof\u00edsicas de porfirinas sulfonadas 5,15-difenilsustituidas"},"content":{"rendered":"<h2>Tesis doctoral de <strong> Hector Garcia Ortega <\/strong><\/h2>\n<p>El trabajo reporta el estudio realizado sobre 5,15-difenilporfirinas sulfonadas. la sulfonaci\u00f3n de la 5,15-difenilporfirina (dpp) con h2so4 conc., Procedi\u00f3 sobre la posici\u00f3n c2 del anillo de porfirina y en las posiciones para de los anillos fen\u00edlicos obteni\u00e9ndose las porfirinas 2-sulfonato-5, 15-bis(4-sulfonatofenil) porfirina (dpps3), 5,15-bis(4-sulfonatofenil)porfirina (dpps2a), 5-fenil-2-sulfonato-15-(4-sulfonatofenil) porfirina (dpps2b), 15-fenil-5-(4-sulfonatofenil)porfirina (dpps1a) y 2-sulfonato-5,15-difenilporfirina (dpps1a). Al utilizar h2so4 fumante (30% so3) la sulfonaci\u00f3n de la dpp procedi\u00f3 sobre las posiciones meso libres del anillo de porfirina y para-fen\u00edlicas obteni\u00e9ndose la 5,15-disulfonato-10,20-bis(4-sulfonato-fenil)porfirina (dpps4). La bromaci\u00f3n con nbs en dmf de dpps3 y 2-sulfonato-5, 15-bis(4-sulfonato-fenil)porfirina de zinc (ii) (zndpps3) result\u00f3 en la obtenci\u00f3n de las porfirinas 10-bromo-2-sulfonato-5,15-bis(4-sulfonatofenil)porfirina (brdpps3) y 10-bromo-2-sulfonato-5,15-bis(4-sulfonatofenil)porfirina de zinc (ii) (znbrdpps3) respectivamente. Con los experimentos de rmn-1h, 13c, noesy 1h-1h, cosy 1h-1h, hmbc y hsqc 1h- 13c y 1h- 15n se determin\u00f3 que el equilibrio tautom\u00e9rico a temperatura ambiente en las porfirinas dpps3 y brdpps3 se encuentra desplazado hacia el taut\u00f3mero trans h-n22\/h-n24, concluyendo que la posici\u00f3n meso en las 5,15-diarilporfirinas tiene mayor influencia sobre el comportamiento cin\u00e9tico del tauromerismo h-n que la sustituci\u00f3n en la posici\u00f3n beta (c2). El estudio de la homoasociaci\u00f3n de estas porfirinas demostr\u00f3 que a mayor grado de sustituci\u00f3n hay menor grado de agregaci\u00f3n tanto en medio neutro como en medio \u00e1cido. Las porfirinas dpps3, brdpps3, dpps2a, dpps2b, zndpps3, znbrdpps3, h2dpps3, h2brdpps3 forman agregados tipo h. Las porfirinas h2dpps2a y h2dpps2b forman agregados de tipo j de geometr\u00eda m\u00faltiple. La sustituci\u00f3n en las posiciones meso con grupos sulfona<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Porfirinas solubles en agua: s\u00edntesis, homoasociaci\u00f3n y propiedades fotof\u00edsicas de porfirinas sulfonadas 5,15-difenilsustituidas<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Porfirinas solubles en agua: s\u00edntesis, homoasociaci\u00f3n y propiedades fotof\u00edsicas de porfirinas sulfonadas 5,15-difenilsustituidas <\/li>\n<li><strong>Autor:<\/strong>\u00a0 Hector Garcia Ortega <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Barcelona<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 30\/04\/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>Josep Mar\u00eda Ribo Trujillo<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: Francisco Lopez calahorra <\/li>\n<li>Miguel Feliz rodenas (vocal)<\/li>\n<li>diego Armesto vilas (vocal)<\/li>\n<li>Jos\u00e9 Luis Bourdelande fernandez (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Hector Garcia Ortega El trabajo reporta el estudio realizado sobre 5,15-difenilporfirinas sulfonadas. la sulfonaci\u00f3n de la 5,15-difenilporfirina [&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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