ChemInform Abstract: Perchloric Acid Modified-Cellulose: A Versatile, Novel and Biodegradable Heterogeneous Solid Acid Catalyst for Single-Pot Synthesis of Novel Bis-pyran Annulated Heterocyclic Scaffolds under Solvent-Free Conditions.

ChemInform ◽  
2015 ◽  
Vol 46 (11) ◽  
pp. no-no
Author(s):  
Tabassum Khan ◽  
Zeba N. Siddiqui
Keyword(s):  
Perchloric Acid ◽  
Solid Acid ◽  
Solid Acid Catalyst ◽  
Acid Catalyst ◽  
Solvent Free ◽  
Solvent Free Conditions ◽  
Heterogeneous Solid ◽  
Modified Cellulose

Perchloric acid modified-cellulose: a versatile, novel and biodegradable heterogeneous solid acid catalyst for single-pot synthesis of novel bis-pyran annulated heterocyclic scaffolds under solvent-free conditions

2014 ◽  
Vol 38 (10) ◽  
pp. 4847-4858 ◽  
Author(s):  
Tabassum Khan ◽  
Zeba N. Siddiqui
Keyword(s):  
Perchloric Acid ◽  
Solid Acid ◽  
Solid Acid Catalyst ◽  
Acid Catalyst ◽  
Solvent Free ◽  
Solvent Free Conditions ◽  
Heterogeneous Solid ◽  
Modified Cellulose

An eco-friendly synthesis of novel bis-pyran annulated heterocyclic scaffolds (4a–r) and pyran annulated heterocyclic scaffolds (4s–u) using cellulose-HClO4as a biodegradable catalyst is described.

Aluminatesulfonic acid nanoparticles: synthesis, characterization and application as a new and recyclable nanocatalyst for the Biginelli and Biginelli-like condensations

RSC Advances ◽  
2015 ◽  
Vol 5 (56) ◽  
pp. 44978-44989 ◽  
Author(s):  
Masoud Nasr-Esfahani ◽  
Mahbube Taei
Keyword(s):  
Solid Acid ◽  
Solid Acid Catalyst ◽  
Acid Catalyst ◽  
Solvent Free ◽  
Solvent Free Conditions ◽  
Nanoparticles Synthesis ◽  
Heterogeneous Solid

A new, efficient and recyclable nanocatalyst, aluminatesulfonic acid, was prepared and used as a heterogeneous solid acid catalyst for the synthesis of a variety of Biginelli and Biginelli-like products under solvent-free conditions.

Nanomagnetic zirconia-based sulfonic acid (Fe3O4@ZrO2-Pr-SO3H): a new, efficient and recyclable solid acid catalyst for the protection of alcohols via HMDS under solvent free conditions

RSC Advances ◽  
2016 ◽  
Vol 6 (68) ◽  
pp. 63480-63487 ◽  
Author(s):  
Azadeh Tadjarodi ◽  
Rahim Khodikar ◽  
Hosssein Ghafuri
Keyword(s):  
Sulfonic Acid ◽  
Solid Acid ◽  
Solid Acid Catalyst ◽  
Acid Catalyst ◽  
Solvent Free ◽  
Solvent Free Conditions

In the present work, sulfonic acid functionalized nanomagnetic zirconia is prepared by the reaction of (3-mercaptopropyl)trimethoxysilane and nanomagnetic zirconia.

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