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https://hdl.handle.net/2445/222776
Títol: | Visible-Light-Induced Functionalization of Oxindole Enol Ethers via EDA Complex Photoactivation |
Altres títols: | Funcionalització d’Oxindole Enol Èters induïda per llum visible via fotoactivació de complexos EDA |
Autor: | Santiago Abelleira, Danae |
Director/Tutor: | Vega Peñaloza, Alberto |
Matèria: | Fotoquímica Llum visible Treballs de fi de grau Photochemistry Visible light Bachelor's theses |
Data de publicació: | juny-2025 |
Resum: | Light-mediated reactions offer a powerful platform for exploring chemical reactivity through controlled photoexcitation. This project focuses on advancing photoinduced reactions via electron donor-acceptor (EDA) complex activation, where interactions between an electron-rich donor and an electron-deficient acceptor generate reactive radicals under visible-light irradiation. Crucially, this approach operates without external catalysts—such as traditional metal-based photocatalysts—or sacrificial additives, enhancing synthetic efficiency. Central to our study is the functionalization of oxindoles, a privileged scaffold in medicinal chemistry due to the potent bioactivity of its derivatives. To achieve this, we designed and synthesized an oxindole-derived enol ether (donor 1) and paired it with Katritzky salts (acceptors 3 and 4) as complementary EDA complex partners. UV-visible spectroscopy confirmed EDA complex formation through the characteristic charge-transfer band (CT), while also identifying the optimal irradiation wavelength to maximize product formation and minimize byproduct generation. These findings establish a foundation for developing a mild, efficient, and catalyst-free methodology for oxindole functionalization. Future work will expand the scope of this reactivity and refine reaction conditions to enhance synthetic utility. |
Nota: | Treballs Finals de Grau de Química, Facultat de Química, Universitat de Barcelona, Any: 2025, Tutor: Alberto Vega Peñaloza |
URI: | https://hdl.handle.net/2445/222776 |
Apareix en les col·leccions: | Treballs Finals de Grau (TFG) - Química |
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Fitxer | Descripció | Dimensions | Format | |
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TFG_QU Santiago Abelleira, Danae.pdf | 1.94 MB | Adobe PDF | Mostrar/Obrir Sol·liciti una còpia |
Document embargat fins el
26-8-2026
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