Síntesis de nuevos derivados pertenecientes al núcleo isoindolo[2,1-a]quinolin-11(5H)-ona de interés biológico

dc.contributor.advisorRodríguez Angulo, Ricaurte
dc.contributor.authorLeón Reina, Omar Hernando
dc.contributor.orcidLeón, Omar [0000-0002-8536-1010]spa
dc.contributor.researchgateLeón, Omar [www.researchgate.net/profile/Omar-Leon-6]spa
dc.contributor.researchgroupGrupo de Investigación en Química Heterocíclicaspa
dc.date.accessioned2023-07-27T16:16:10Z
dc.date.available2023-07-27T16:16:10Z
dc.date.issued2022
dc.descriptionilustracionesspa
dc.description.abstractLas moléculas pertenecientes al núcleo de las isoindolo[2,1-a]quinolin-11(5H)-onas han demostrado tener una muy destacable actividad biológica frente a diversas patologías. Por esta razón, a nivel investigativo se ha sintetizado una gran variedad de moléculas pertenecientes a este núcleo mediante diversas metodologías, las cuales según los reportes tienen características bastante específicas, tales como propiedades anti-hipóxicas, vasodilatadores, antitumorales, etc. Teniendo en cuenta lo anterior, el presente trabajo propone una metodología para la obtención de sistemas heterocíclicos de cuatro miembros, específicamente de algunos derivados del núcleo isoindolo[2,1-a]quinolin-11(5H)-ona. Es importante resaltar que se tuvo como principio el bajo costo tanto en los insumos (reactivos, solventes, catalizadores, etc.), como en las condiciones de operatividad con el fin de ser llamativa y reproducible. Por otro lado, a través de la ejecución de la síntesis de estas moléculas, surgió la necesidad de sintetizar los mismos compuestos de partida, los cuales corresponden a los derivados de la 2-aminoacetofenona y el ácido 2-formilbenzoico. Para los derivados de la 2-aminoacetofenona fue necesario trabajar con la N-(2-acetilfenil)acetamida, la cual se obtuvo por la oxidación del 2,3-dimetilindol. Este último, se sintetizó empleando la metodología planteada por Fischer. En cuanto a la obtención de los derivados de esta molécula, se plantearon dos rutas de derivatización, una en medio ácido y la otra por medio de un catalizador (Oxone), obteniéndose de este modo tres derivados en concreto. En el caso de los derivados del ácido 2-formilbenzoico se tomaron como base de síntesis algunos compuestos pertenecientes a las benzofuran-1(3H)-onas (conocidos como ftalilos), con el fin de poderse llevar al respectivo ácido, obteniéndose de este modo dos nuevos derivados. Una vez se obtuvieron los derivados de los compuestos iniciales, se procedió a realizar la condensación en medio básico de estos, empleando un tiempo de reacción entre 12 y 18 horas. A partir de esto, se obtuvieron los nuevos ftalilos, que posteriormente fueron sometidos a la respectiva ciclación intramolecular, para dar como producto los respectivos compuestos pertenecientes a las isoindoloquinolinonas. Las moléculas obtenidas en esta metodología, tales como ftalilos e isoindoloquinolinonas, fueron caracterizadas por técnicas espectroscópicas y espectrométricas como RMN, HR-MS, IR-FT, con lo cual se puede ratificar que se ha logrado obtener las moléculas objetivo en una nueva metodología que no supera los tres pasos de reacción. (Texto tomado de la fuente)spa
dc.description.abstractThe molecules belonging to the nucleus of the isoindolo[2,1-a]quinolin-11(5H)-ones have shown to have a very remarkable biological activity against various pathologies. For this reason, at the research level, a wide variety of molecules belonging to this nucleus have been synthesized through various methodologies, which according to reports have quite specific characteristics, such as anti-hypoxic, vasodilator, antitumor properties, etc. According to the above, the present work proposes a methodology for obtaining four-membered heterocyclic systems, specifically from some derivatives of the isoindolo[2,1-a]quinolin-11(5H)-one nucleus. It is important to highlight that the principle was low cost both in the inputs (reagents, solvents, catalysts, etc.), and in the operating conditions to be striking and reproducible. On the other hand, through the execution of the synthesis of these molecules, the need arose to synthesize the same starting compounds, which correspond to the derivatives of 2-aminoacetophenone and 2-formylbenzoic acid. For the 2-aminoacetophenone derivatives, it was necessary to work with N-(2-acetylphenyl)acetamide, which was obtained by the oxidation of 2,3-dimethylindole, which was obtained by the methodology used by Fischer. As for obtaining the derivatives of this molecule, two derivatization routes were proposed, one in an acid medium and the other by means of a catalyst (Oxone), thus obtaining three specific derivatives. In the case of 2-formylbenzoic acid derivatives, some compounds belonging to benzofuran-1(3H)-ones (known as phthalides) were taken as the basis of synthesis, to be able to obtain the respective acid, thus obtaining two new derivatives. Once the derivatives of the initial compounds were obtained, the condensation of these was carried out in a basic medium, using a reaction time between 12 and 18 hours. From this, the new phthalides were obtained, which were subsequently subjected to the respective intramolecular cyclization, to give as a product the respective compounds belonging to the isoindoloquinolinones family. The molecules obtained in this methodology, such as phthalides and isoindoloquinolinones, were characterized by spectroscopic and spectrometric techniques such as NMR, HR-MS, IR-FT, with which it can be confirmed that the target molecules have been obtained in a new methodology that does not exceed the three reaction steps.eng
dc.description.degreelevelMaestríaspa
dc.description.degreenameMagíster en Ciencias - Químicaspa
dc.description.researchareaSíntesis y caracterización de compuestos heterocíclicos con posible actividad biológicaspa
dc.format.extentxix, 63 páginasspa
dc.format.mimetypeapplication/pdfspa
dc.identifier.instnameUniversidad Nacional de Colombiaspa
dc.identifier.reponameRepositorio Institucional Universidad Nacional de Colombiaspa
dc.identifier.repourlhttps://repositorio.unal.edu.co/spa
dc.identifier.urihttps://repositorio.unal.edu.co/handle/unal/84309
dc.language.isospaspa
dc.publisherUniversidad Nacional de Colombiaspa
dc.publisher.branchUniversidad Nacional de Colombia - Sede Bogotáspa
dc.publisher.facultyFacultad de Cienciasspa
dc.publisher.placeBogotá,Colombiaspa
dc.publisher.programBogotá - Ciencias - Maestría en Ciencias - Químicaspa
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dc.rights.accessrightsinfo:eu-repo/semantics/openAccessspa
dc.rights.licenseAtribución-NoComercial-SinDerivadas 4.0 Internacionalspa
dc.rights.urihttp://creativecommons.org/licenses/by-nc-nd/4.0/spa
dc.subject.ddc540 - Química y ciencias afines::547 - Química orgánicaspa
dc.subject.lembCompuestos cíclicosspa
dc.subject.lembCyclic compoundseng
dc.subject.lembHeterocyclic compoundseng
dc.subject.lembCompuestos heterocíclicosspa
dc.subject.proposalIsoindolo[2,1-a]quinolin-11(5H)-onaspa
dc.subject.proposalFtalilosspa
dc.subject.proposalSíntesis organica Herocíclicaspa
dc.subject.proposalCondensación aldólicaspa
dc.subject.proposalCiclación intramolecularspa
dc.subject.proposalPotencial biológico
dc.subject.proposalIsoindolo[2,1-a]quinolin-11(5H)-oneeng
dc.subject.proposalFhthalideseng
dc.subject.proposalHeterocyclic organic synthesiseng
dc.subject.proposalAldol condensationeng
dc.subject.proposalIntramolecular cyclizationeng
dc.subject.proposalBiological potentialeng
dc.titleSíntesis de nuevos derivados pertenecientes al núcleo isoindolo[2,1-a]quinolin-11(5H)-ona de interés biológicospa
dc.title.translatedSynthesis of new derivatives belonging to the nucleus isoindolo[2,1-a]quinolin-11(5H)-one of biological interesteng
dc.typeTrabajo de grado - Maestríaspa
dc.type.coarhttp://purl.org/coar/resource_type/c_bdccspa
dc.type.coarversionhttp://purl.org/coar/version/c_ab4af688f83e57aaspa
dc.type.contentTextspa
dc.type.driverinfo:eu-repo/semantics/masterThesisspa
dc.type.redcolhttp://purl.org/redcol/resource_type/TMspa
dc.type.versioninfo:eu-repo/semantics/acceptedVersionspa
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dcterms.audience.professionaldevelopmentInvestigadoresspa
dcterms.audience.professionaldevelopmentMaestrosspa
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