2024-03-29T05:05:08Zhttps://riubu.ubu.es/oai/requestoai:riubu.ubu.es:10259/60912022-11-10T11:59:12Zcom_10259_3596com_10259_5086com_10259_2604com_10259_3593col_10259_3597col_10259_3594
Repositorio Institucional de la Universidad de Burgos
author
Hernández Ruiz, Raquel
author
Rubio Presa, Rubén
author
Suarez Pantiga, Samuel
author
Pedrosa Sáez, María de los Remedios
author
Fernández Rodríguez, Manuel A.
author
Tapia Estévez, M" José
author
Sanz Díez, Roberto
2021-11-04T09:48:41Z
2021-11-04T09:48:41Z
2021-09
1521-3765
http://hdl.handle.net/10259/6091
10.1002/chem.202102000
A catalytic domino reduction–imine formation–
intramolecular cyclization–oxidation for the general synthesis
of a wide variety of biologically relevant N-polyheterocycles,
such as quinoxaline- and quinoline-fused derivatives, and
phenanthridines, is reported. A simple, easily available, and
environmentally friendly dioxomolybdenum(VI) complex has
proven to be a highly efficient and versatile catalyst for
transforming a broad range of starting nitroarenes involving
several redox processes. Not only is this a sustainable, stepeconomical
as well as air- and moisture-tolerant method, but
also it is worth highlighting that the waste byproduct
generated in the first step of the sequence is recycled and
incorporated in the final target molecule, improving the
overall synthetic efficiency. Moreover, selected indoloquinoxalines
have been photophysically characterized in
cyclohexane and toluene with exceptional fluorescence
quantum yields above 0.7 for the alkyl derivatives.
eng
Atribución-NoComercial 4.0 Internacional
Dioxomolybdenum
N-heterocycles
Nitroaromatics
Photophysical properties
Reuse of waste
Mo–Catalyzed One-Pot Synthesis of N-Polyheterocycles from Nitroarenes and Glycols with Recycling of the Waste Reduction Byproduct. Substituent-Tuned Photophysical Properties
info:eu-repo/semantics/article
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URL
https://riubu.ubu.es/bitstream/10259/6091/1/Hernandez-cej_2021.pdf
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Hernandez-cej_2021.pdf