1-Methyl-3-(propyl-3-sulfonic acid)imidazolium triflate supported on magnetic nanoparticles: an efficient and reusable catalyst for synthesis of mono- and bis-isobenzofuran-1(3H)-ones under solvent-free conditions

RSC Advances ◽  
2015 ◽  
Vol 5 (20) ◽  
pp. 15274-15282 ◽  
Author(s):  
Forouz Rastegari ◽  
Iraj Mohammadpoor-Baltork ◽  
Ahmad R. Khosropour ◽  
Shahram Tangestaninejad ◽  
Valiollah Mirkhani ◽  
...  
Keyword(s):  
Magnetic Nanoparticles ◽  
Sulfonic Acid ◽  
Thermal Conditions ◽  
Recyclable Catalyst ◽  
Solvent Free ◽  
Reusable Catalyst ◽  
Efficient Procedure ◽  
Solvent Free Conditions ◽  
Mw Irradiation

An efficient procedure for the synthesis of isobenzofuran-1(3H)-one derivatives in the presence of [HSO3PMIM]OTf–SiO2@MNPs as a highly recyclable catalyst under solvent-free thermal conditions and MW irradiation is reported.

l-proline N-sulfonic acid-functionalized magnetic nanoparticles: a novel and magnetically reusable catalyst for one-pot synthesis of 3,4-dihydropyrimidine-2-(1H)-thiones under solvent-free conditions

RSC Advances ◽  
2016 ◽  
Vol 6 (64) ◽  
pp. 59343-59351 ◽  
Author(s):  
M. Afradi ◽  
N. Foroughifar ◽  
H. Pasdar ◽  
H. Moghanian
Keyword(s):  
Magnetic Nanoparticles ◽  
Sulfonic Acid ◽  
Acid Catalyst ◽  
Solvent Free ◽  
Reusable Catalyst ◽  
One Pot ◽  
One Pot Synthesis ◽  
Solvent Free Conditions ◽  
Functionalized Magnetic Nanoparticles

Synthesis, characterization and utilization of the l-proline N-sulfonic acid-functionalized magnetic nanoparticles as a novel magnetically reusable acid catalyst for the synthesis of 3,4-dihydropyrimidine-2-[1H]thione derivatives is reported.

Sulfonic acid-functionalized silica-coated magnetic nanoparticles as an efficient reusable catalyst for the synthesis of 1-substituted 1H-tetrazoles under solvent-free conditions

2014 ◽  
Vol 43 (34) ◽  
pp. 12967-12973 ◽  
Author(s):  
Hossein Naeimi ◽  
Samaneh Mohamadabadi
Keyword(s):  
Magnetic Nanoparticles ◽  
Green Chemistry ◽  
Magnetite Nanoparticles ◽  
Sulfonic Acid ◽  
Solvent Free ◽  
Organic Reactions ◽  
Reusable Catalyst ◽  
Functionalized Silica ◽  
Efficient System ◽  
Solvent Free Conditions

Regarding green chemistry goals, silica-coated magnetite nanoparticles open up a new avenue to introduce a very useful and efficient system for facilitating catalyst recovery in different organic reactions.

Silica-bonded S-Sulfonic Acid: A Recyclable Catalyst for the Synthesis of Trisubstituted Imidazoles under Solvent-free Conditions

2010 ◽  
Vol 28 (4) ◽  
pp. 663-669 ◽  
Author(s):  
Khodabakhsh Niknam ◽  
Mohammad R. Mohammadizadeh ◽  
Salimeh Mirzaee ◽  
Dariush Saberi
Keyword(s):  
Sulfonic Acid ◽  
Recyclable Catalyst ◽  
Solvent Free ◽  
Solvent Free Conditions

A simple and efficient one-pot synthesis of Hantzsch 1,4-dihydropyridines using silica sulphuric acid as a heterogeneous and reusable catalyst under solvent-free conditions

2011 ◽  
Vol 65 (6) ◽  
Author(s):  
Eskandar Kolvari ◽  
Mohammad Zolfigol ◽  
Nadiya Koukabi ◽  
Behzad Shirmardi-Shaghasemi
Keyword(s):  
Sulphuric Acid ◽  
Recyclable Catalyst ◽  
Solvent Free ◽  
Reusable Catalyst ◽  
One Pot ◽  
One Pot Synthesis ◽  
Solvent Free Conditions ◽  
Dihydropyridine Derivatives

AbstractA simple, inexpensive and efficient one-pot synthesis of 1,4-dihydropyridine derivatives under solvent-free conditions using silica sulphuric acid (SSA) as a heterogeneous and recyclable catalyst is reported.

PEG-Supported Sulfonic Acid as an Efficient and Recyclable Catalyst for the Synthesis of 1,1-Diacetates under Solvent-Free Conditions.

ChemInform ◽  
2007 ◽  
Vol 38 (32) ◽  
Author(s):  
Qiu-Ying Wang ◽  
Shou-Ri Sheng ◽  
Mei-Hong Wei ◽  
Zhong-Li Xie ◽  
Xiao-Ling Liu
Keyword(s):  
Sulfonic Acid ◽  
Recyclable Catalyst ◽  
Solvent Free ◽  
Solvent Free Conditions

ChemInform Abstract: Silica-Bonded S-Sulfonic Acid: A Recyclable Catalyst for the Synthesis of Trisubstituted Imidazoles under Solvent-Free Conditions.

ChemInform ◽  
2010 ◽  
Vol 41 (36) ◽  
pp. no-no
Author(s):  
Khodabakhsh Niknam ◽  
Mohammad R. Mohammadizadeh ◽  
Salimeh Mirzaee ◽  
Dariush Saberi
Keyword(s):  
Sulfonic Acid ◽  
Recyclable Catalyst ◽  
Solvent Free ◽  
Solvent Free Conditions

The synthesis of aminonaphtols and β-amino carbonyls in the presence of a magnetic recyclable Fe3O4@MCM-48–NaHSO4 nano catalyst

RSC Advances ◽  
2014 ◽  
Vol 4 (32) ◽  
pp. 16589-16596 ◽  
Author(s):  
Mostafa Golshekan ◽  
Shahab Shariati ◽  
Naghi Saadatjoo
Keyword(s):  
Magnetite Nanoparticles ◽  
Sulfonic Acid ◽  
Room Temperature ◽  
Recyclable Catalyst ◽  
Solvent Free ◽  
Nano Catalyst ◽  
Solvent Free Conditions ◽  
Rapid Reaction ◽  
Magnetic Recyclable

Sulfonic acid functionalized mesoporous magnetite nanoparticles as an efficient, heterogeneous and recyclable catalyst for the synthesis of aminonaphtols and β-amino carbonyls. Advantages: good yields, rapid reaction, solvent-free conditions and room temperature.

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