scholarly journals Silica supported perchloric acid (HClO4-SiO2): a green, reusable, and highly efficient heterogeneous catalyst for the synthesis of thioethers under solvent-free conditions at room temperature

2010 ◽  
Vol 3 (1) ◽  
pp. 49-54 ◽  
Author(s):  
Babasaheb P. Bandgar ◽  
Shrikant S. Gawande ◽  
Dnyanoba B. Muley
Keyword(s):  
Heterogeneous Catalyst ◽  
Perchloric Acid ◽  
Room Temperature ◽  
Solvent Free ◽  
Highly Efficient ◽  
Solvent Free Conditions ◽  
Efficient Heterogeneous Catalyst

ChemInform Abstract: ZnO Nanoparticles as a Highly Efficient Heterogeneous Catalyst for the Synthesis of Various Chromene and Pyrano[4,3-b]pyran Derivatives under Solvent-Free Conditions.

ChemInform ◽  
2015 ◽  
Vol 46 (35) ◽  
pp. no-no
Author(s):  
Zinatossadat Hossaini ◽  
Fatemeh Sheikholeslami-Farahani ◽  
Samira Soltani ◽  
S. Zahra Sayyed-Alangi ◽  
Hadi Sajjadi-Ghotabadi
Keyword(s):  
Heterogeneous Catalyst ◽  
Zno Nanoparticles ◽  
Solvent Free ◽  
Highly Efficient ◽  
Solvent Free Conditions ◽  
Efficient Heterogeneous Catalyst

A new superacid hafnium-based metal–organic framework as a highly active heterogeneous catalyst for the synthesis of benzoxazoles under solvent-free conditions

2017 ◽  
Vol 7 (19) ◽  
pp. 4346-4350 ◽  
Author(s):  
Linh H. T. Nguyen ◽  
The T. Nguyen ◽  
Ha L. Nguyen ◽  
Tan L. H. Doan ◽  
Phuong Hoang Tran
Keyword(s):  
Heterogeneous Catalyst ◽  
Metal Organic Framework ◽  
Solvent Free ◽  
Highly Active ◽  
Solvent Free Conditions ◽  
Metal Organic ◽  
Efficient Heterogeneous Catalyst ◽  
Organic Framework

A new superacid Hf-based MOF, termed VNU-11-P-SO4, was used as an efficient heterogeneous catalyst for solvent-free 2-arylbenzoxazole synthesis.

Graphene oxide–TiO2 composite: an efficient heterogeneous catalyst for the green synthesis of pyrazoles and pyridines

2016 ◽  
Vol 40 (6) ◽  
pp. 5053-5060 ◽  
Author(s):  
Shweta Kumari ◽  
Amiya Shekhar ◽  
Devendra D. Pathak
Keyword(s):  
Graphene Oxide ◽  
Green Synthesis ◽  
Aqueous Medium ◽  
Heterogeneous Catalyst ◽  
Room Temperature ◽  
Highly Efficient ◽  
Recyclable Heterogeneous Catalyst ◽  
Efficient Heterogeneous Catalyst

GO–TiO2 has been found to be a highly efficient and recyclable heterogeneous catalyst for the synthesis of pyrazoles and pyridines in aqueous medium at room temperature.

An efficient method for the silylation of hydroxyl groups with hexamethyldisilazane (HMDS) catalyzed by aluminum tris(dihydrogen phosphate) under solvent-free and ambient conditions

2008 ◽  
Vol 86 (8) ◽  
pp. 841-845 ◽  
Author(s):  
Hamid Reza Shaterian ◽  
Majid Ghashang ◽  
Nassrin Tajbakhsh Riki ◽  
Manijeh Asadi
Keyword(s):  
Heterogeneous Catalyst ◽  
Efficient Method ◽  
Room Temperature ◽  
Solvent Free ◽  
Dihydrogen Phosphate ◽  
Hydroxyl Groups ◽  
Ambient Conditions ◽  
Solvent Free Conditions ◽  
Free Hydroxyl ◽  
Recyclable Heterogeneous Catalyst

A highly efficient and mild procedure for the trimethylsilylation of a wide variety of alcohols, including primary, benzylic, secondary, hindered secondary, tertiary, phenols, and oximes with hexamethyldisilazane (HMDS), using Al(H2PO4)3 as a recyclable heterogeneous catalyst at room temperature in a few minutes with excellent yields under solvent-free conditions is described.Key words: trimethylsilylation, hexamethyldisilazane, aluminum tris(dihydrogen phosphate) [Al(H2PO4)3], solvent-free, hydroxyl groups.

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