Green Synthesis of Indeno[1,2-b]quinoxalines Using β-Cyclodextrin as Catalyst

An efficient, mild, and green method was developed for the synthesis of indeno[1,2-b]quinoxaline derivatives via o-phenylenediamine (OPD) and 2-indanone derivatives utilizing -cyclodextrin ( -CD) as the supramolecular catalyst. The reaction can be carried out in water and in a solid state at room te...

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Bibliographic Details
Published in:Molecules (Basel, Switzerland) Switzerland), 2022-01, Vol.27 (2), p.580
Main Authors: Liao, Li-Guo, Song, Meng-Meng, Feng, Jun-Feng, Tan, Min, Liu, Fan, Qiu, Zhen-Jiang, Zhang, Sheng, Li, Bang-Jing
Format: Article
Language:English
Subjects:
Catalysis
Catalysts
Cyclodextrins
environmentally friendly method
Hydrocarbons
indeno[1,2-b]quinoxalines
NMR
Nuclear magnetic resonance
Oxidation
Phenylenediamine
Quinoxaline
Quinoxalines
reusable catalyst
Room temperature
Temperature
β-CD
β-Cyclodextrin
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Summary:An efficient, mild, and green method was developed for the synthesis of indeno[1,2-b]quinoxaline derivatives via o-phenylenediamine (OPD) and 2-indanone derivatives utilizing -cyclodextrin ( -CD) as the supramolecular catalyst. The reaction can be carried out in water and in a solid state at room temperature. -CD can also catalyze the reaction of indan-1,2-dione with OPD with a high degree of efficiency. Compared to the reported methods, this procedure is milder, simpler, and less toxic, making it an eco-friendly alternative. In addition, the -CD can be recovered and reused without the loss of activity.
ISSN:1420-3049
1420-3049
DOI:10.3390/molecules27020580