scholarly journals Tetrabutylammonium hexatungstate [TBA]2[W6O19]: Novel and reusable heterogeneous catalyst for rapid solvent-free synthesis of polyhydroquinoline via unsymmetrical Hantzsch reaction

2013 ◽  
Vol 34 (6) ◽  
pp. 1173-1178 ◽  
Author(s):  
Abolghasem DAVOODNIA ◽  
Maryam KHASHI ◽  
Niloofar TAVAKOLI-HOSEINI
Keyword(s):  
Heterogeneous Catalyst ◽  
Solvent Free ◽  
Hantzsch Reaction ◽  
Solvent Free Synthesis

scholarly journals Solvent-free synthesis of polyhydroquinoline derivatives employing mesoporous vanadium ion doped titania nanoparticles as a robust heterogeneous catalyst via the Hantzsch reaction

RSC Advances ◽  
2017 ◽  
Vol 7 (6) ◽  
pp. 3611-3616 ◽  
Author(s):  
G. B. Dharma Rao ◽  
S. Nagakalyan ◽  
G. K. Prasad
Keyword(s):  
Catalytic Activity ◽  
Heterogeneous Catalyst ◽  
Solvent Free ◽  
Titania Nanoparticles ◽  
Reusable Catalyst ◽  
Hantzsch Reaction ◽  
Doped Titania ◽  
Solvent Free Synthesis ◽  
Vanadium Ion

Mesoporous vanadium ion doped titania nanoparticles were used as reusable catalyst for the synthesis of PHQ derivatives via Hantzsch reaction at 80 °C under greener conditions. The catalyst could easily be recycled and reused without decrease in catalytic activity.

Niobic Acid as a Recyclable Heterogeneous Catalyst for the Solvent-Free Synthesis of Substituted Benzimidazoles

2013 ◽  
Vol 1 (2) ◽  
pp. 136-144 ◽  
Author(s):  
Beatriz Vieira ◽  
Angelita Barcellos ◽  
Ricardo Schumacher ◽  
Eder Lenardao ◽  
Diego Alves
Keyword(s):  
Heterogeneous Catalyst ◽  
Solvent Free ◽  
Niobic Acid ◽  
Recyclable Heterogeneous Catalyst ◽  
Solvent Free Synthesis

ChemInform Abstract: Fe-Al/Clay as an Efficient Heterogeneous Catalyst for Solvent-Free Synthesis of 3,4-Dihydropyrimidones.

ChemInform ◽  
2013 ◽  
Vol 44 (44) ◽  
pp. no-no
Author(s):  
Bashir A. Dar ◽  
Praveen Patidar ◽  
Sunil Kumar ◽  
Mohammad Arif Wagay ◽  
Akshay K. Sahoo ◽  
...  
Keyword(s):  
Heterogeneous Catalyst ◽  
Solvent Free ◽  
Solvent Free Synthesis ◽  
Efficient Heterogeneous Catalyst

A solvent-free synthesis of coumarins via Pechmann condensation using heterogeneous catalyst

2006 ◽  
Vol 255 (1-2) ◽  
pp. 49-52 ◽  
Author(s):  
Muchchintala Maheswara ◽  
Vidavalur Siddaiah ◽  
Guri Lakishmi Vasantha Damu ◽  
Yerra Koteswara Rao ◽  
Chunduri Venkata Rao
Keyword(s):  
Heterogeneous Catalyst ◽  
Solvent Free ◽  
Pechmann Condensation ◽  
Solvent Free Synthesis

scholarly journals Synthesis and properties of novel reusable nano-ordered KIT-5-N-sulfamic acid as a heterogeneous catalyst for solvent-free synthesis of 2,4,5-triaryl-1 H-imidazoles

2016 ◽  
Vol 70 (4) ◽  
Author(s):  
Razieh Mirsafaei ◽  
Majid M. Heravi ◽  
Shervin Ahmadi ◽  
Tayebeh Hosseinnejad
Keyword(s):  
Heterogeneous Catalyst ◽  
Sulfamic Acid ◽  
Solvent Free ◽  
Solvent Free Synthesis

AbstractA novel silica-bonded propyl-

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