Heteropoly acid catalysts for the synthesis of fragrance compounds from bio-renewables: acetylation of nopol and terpenic alcohols

RSC Advances ◽  
2016 ◽  
Vol 6 (49) ◽  
pp. 43217-43222 ◽  
Author(s):  
Vinicius V. Costa ◽  
Kelly A. da Silva Rocha ◽  
Luiz C. A. Oliveira ◽  
Elena F. Kozhevnikova ◽  
Ivan V. Kozhevnikov ◽  
...  
Keyword(s):  
Heterogeneous Catalyst ◽  
Heteropoly Acid ◽  
Solvent Free ◽  
Acid Catalysts ◽  
Green Solvent ◽  
Ambient Conditions ◽  
Terpenic Alcohols ◽  
Commercially Important ◽  
Catalytic Processes ◽  
Fragrance Compounds

Commercially important esters are obtained from biomass-based alcoholsviagreen solvent-free catalytic processes under ambient conditions using a simple heterogeneous catalyst.

Heteropoly Acid Catalysts for the Synthesis of Fragrance Compounds from Biorenewables: Cycloaddition of Crotonaldehyde to Limonene, α-Pinene, and β-Pinene

ChemCatChem ◽  
2013 ◽  
Vol 5 (10) ◽  
pp. 3022-3026 ◽  
Author(s):  
Vinícius V. Costa ◽  
Kelly A. da Silva Rocha ◽  
Rafaela A. Mesquita ◽  
Elena F. Kozhevnikova ◽  
Ivan V. Kozhevnikov ◽  
...  
Keyword(s):  
Heteropoly Acid ◽  
Acid Catalysts ◽  
Fragrance Compounds

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.

Heteropoly acid catalysts for the synthesis of fragrance compounds from biorenewables: isomerization of limonene oxide

2013 ◽  
Vol 3 (1) ◽  
pp. 244-250 ◽  
Author(s):  
Vinícius V. Costa ◽  
Kelly A. da Silva Rocha ◽  
Ivan V. Kozhevnikov ◽  
Elena F. Kozhevnikova ◽  
Elena V. Gusevskaya
Keyword(s):  
Heteropoly Acid ◽  
Acid Catalysts ◽  
Limonene Oxide ◽  
Fragrance Compounds

Heteropoly acid catalysts in upgrading of biorenewables: Synthesis of para-menthenic fragrance compounds from α-pinene oxide

2020 ◽  
Vol 344 ◽  
pp. 166-170 ◽  
Author(s):  
Cláudio J.A. Ribeiro ◽  
Matheus M. Pereira ◽  
Elena F. Kozhevnikova ◽  
Ivan V. Kozhevnikov ◽  
Elena V. Gusevskaya ◽  
...  
Keyword(s):  
Heteropoly Acid ◽  
Acid Catalysts ◽  
Fragrance Compounds

Heteropoly Acid Catalysts for the Synthesis of Fragrance Compounds from Biorenewables: The Alkoxylation of Monoterpenes

ChemCatChem ◽  
2014 ◽  
Vol 6 (9) ◽  
pp. 2706-2711 ◽  
Author(s):  
Augusto L. P. de Meireles ◽  
Maíra dos Santos Costa ◽  
Kelly A. da Silva Rocha ◽  
Elena F. Kozhevnikova ◽  
Ivan V. Kozhevnikov ◽  
...  
Keyword(s):  
Heteropoly Acid ◽  
Acid Catalysts ◽  
Fragrance Compounds

scholarly journals Phosphotungstic heteropoly acid as efficient heterogeneous catalyst for solvent-free isomerization of α-pinene and longifolene

2009 ◽  
Vol 352 (1-2) ◽  
pp. 188-192 ◽  
Author(s):  
Kelly A. da Silva Rocha ◽  
Patricia A. Robles-Dutenhefner ◽  
Ivan V. Kozhevnikov ◽  
Elena V. Gusevskaya
Keyword(s):  
Heterogeneous Catalyst ◽  
Heteropoly Acid ◽  
Solvent Free ◽  
Efficient Heterogeneous Catalyst

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

scholarly journals New green perspective to dihydropyridines synthesis utilizing modified heteropoly acid catalysts

2021 ◽  
Author(s):  
Mohamed Mokhtar ◽  
Tamer S. Saleh ◽  
Katabathini Narasimharao ◽  
Ebtesam Al-Mutairi
Keyword(s):  
Heteropoly Acid ◽  
Acid Catalysts
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