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Easy access to quinoxaline derivatives using alumina as an effective and reusable catalyst under solvent-free conditions

Paper ID Volume ID Publish Year Pages File Format Full-Text
41462 45890 2011 4 PDF Available
Title
Easy access to quinoxaline derivatives using alumina as an effective and reusable catalyst under solvent-free conditions
Abstract

Alumina as a cheap, heterogeneous and reusable catalyst can provide environmentally friendly alternatives for synthesis of quinoxaline derivatives via condensation of 1,2-diamines and 1,2-dicarbonyl compounds under solvent-free conditions. The products could be separated simply from catalyst by filtration and the catalyst could be recycled and reused for several times without noticeably decreasing in catalytic activity.

Graphical abstractFigure optionsDownload full-size imageDownload high-quality image (110 K)Download as PowerPoint slideResearch highlights▶ Acidic alumina under neat conditions catalyzes condensation of 1,2-diamines and 1,2-dicarbonyl compounds. ▶ The high reusability of alumina which is easily separated from the reaction media as well as easy and safe work-up procedure providing ready scalability, makes this solvent-free strategy more attractive for practical goal.

Keywords
Alumina; Heterogeneous catalyst; Quinoxalines; Solvent-free; Condensation reaction
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Publisher
Database: Elsevier - ScienceDirect
Journal: Applied Catalysis A: General - Volume 394, Issues 1–2, 28 February 2011, Pages 48–51
Authors
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Subjects
Physical Sciences and Engineering Chemical Engineering Catalysis
Get Full-Text Now
Don't Miss Today's Special Offer
Price was $35.95
You save - $31
Price after discount Only $4.95
100% Money Back Guarantee
Full-text PDF Download
Online Support
Any Questions? feel free to contact us