Nano titania-supported sulfonic acid: An efficient and reusable catalyst for a range of organic reactions under solvent free conditions

2014 ◽  
Vol 56 ◽  
pp. 184-188 ◽  
Author(s):  
Salman Rahmani ◽  
Ali Amoozadeh ◽  
Eskandar Kolvari
Keyword(s):  
Sulfonic Acid ◽  
Solvent Free ◽  
Organic Reactions ◽  
Reusable Catalyst ◽  
Solvent Free Conditions

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.

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.

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.

β-Cyclodextrin-butane sulfonic acid: an efficient and reusable catalyst for the multicomponent synthesis of 1-amidoalkyl-2-naphthols under solvent-free conditions

2015 ◽  
Vol 17 (5) ◽  
pp. 3141-3147 ◽  
Author(s):  
Kai Gong ◽  
Hualan Wang ◽  
Xiaoxue Ren ◽  
Ying Wang ◽  
Jinghua Chen
Keyword(s):  
Sulfonic Acid ◽  
Aromatic Aldehydes ◽  
Solvent Free ◽  
Reusable Catalyst ◽  
Multicomponent Synthesis ◽  
One Pot ◽  
Solvent Free Conditions

β-Cyclodextrin-butane sulfonic acid efficiently catalyzed the synthesis of 1-amidoalkyl-2-naphthols by a one-pot three component condensation of aromatic aldehydes, β-naphthol and amides under solvent-free conditions.

scholarly journals Regioselective Ring Opening of Epoxides with Amines Using Silica-bonded S-sulfonic Acid under Solvent-free Conditions

2017 ◽  
Vol 56 (4) ◽  
Author(s):  
Mahmood Tajbakhsh ◽  
Rahman Hosseinzadeh ◽  
Parizad Rezaee ◽  
Heshmatollah Alinezhad
Keyword(s):  
Ring Opening ◽  
Sulfonic Acid ◽  
Room Temperature ◽  
Amino Alcohols ◽  
Solvent Free ◽  
High Yield ◽  
Reusable Catalyst ◽  
Solvent Free Conditions ◽  
Ring Opening Of Epoxides

Silica-bonded S-sulfonic acid (SBSSA) was used as a recyclable and reusable catalyst for the synthesis of β-amino alcohols. Several amines were reacted with epoxides to afford regioselective β-amino alcohols in high yield under solvent-free conditions at room temperature.

Pd-functionalized MCM-41 nanoporous silica as an efficient and reusable catalyst for promoting organic reactions

RSC Advances ◽  
2015 ◽  
Vol 5 (21) ◽  
pp. 16029-16035 ◽  
Author(s):  
Razieh Nejat ◽  
Ali Reza Mahjoub ◽  
Zahra Hekmatian ◽  
Tahereh Azadbakht
Keyword(s):  
Cross Coupling ◽  
Recyclable Catalyst ◽  
Solvent Free ◽  
Organic Reactions ◽  
Nanoporous Silica ◽  
Reusable Catalyst ◽  
Coupling Reactions ◽  
Cross Coupling Reactions ◽  
Solvent Free Conditions ◽  
Mcm 41

Pd-functionalized MCM-41 nanoporous silica has been explored as an efficient and recyclable catalyst to effect Suzuki and Mizoroki–Heck cross-coupling reactions, under solvent-free conditions.

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