Concepedia

Highly efficient solvent-free synthesis of pyranopyrazoles by a Brønsted-acidic ionic liquid as a green and reusable catalyst

Javad Ebrahimi, Ali Mohammadi, Vahid Pakjoo, Ehsan Bahramzade, Amir Habibi

Journal of Chemical Sciences · 2012 · 59 citations · 24 references

DOI

Concepts

References

24

Rapid four-component reactions in water: synthesis of pyranopyrazoles

G. Vasuki, Kandhasamy Kumaravel · Tetrahedron Letters · 2008 · 245 citations

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Hydrogensulfate and tetrakis(hydrogensulfato)borate ionic liquids: synthesis and catalytic application in highly Brønsted-acidic systems for Friedel–Crafts alkylation

Peter Wasserscheid, Martin Sesing, Wolfgang Korth · Green Chemistry · 2002 · 183 citations

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Solvent-free multicomponent synthesis of pyranopyrazoles: per-6-amino-β-cyclodextrin as a remarkable catalyst and host

Kuppusamy Kanagaraj, Kasi Pitchumani · Tetrahedron Letters · 2010 · 176 citations

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Acidic ionic liquid modified silica gel as novel solid catalysts for esterification and nitration reactions

Kun Qiao, Hisahiro Hagiwara, Chiaki Yokoyama · Journal of Molecular Catalysis A Chemical · 2005 · 160 citations

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Acidic ionic liquid [bmim]HSO4: An efficient catalyst for acetalization and thioacetalization of carbonyl compounds and their subsequent deprotection

Neeraj Gupta, Sonu Sonu, G. L. KAD et al. · Catalysis Communications · 2006 · 130 citations

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