Results 1 to 10 of about 167 (134)

Easy and Fast Production of Solketal from Glycerol Acetalization via Heteropolyacids

open access: yesMolecules, 2022
This work presents an effective and fast procedure to valorize the main waste produced from the biodiesel industry, i.e., the glycerol. The acetalization of glycerol with acetone represents an effective strategy to produce the valuable solketal, a fuel ...
Fatima Mirante   +2 more
exaly   +3 more sources

A Review on the Catalytic Acetalization of Bio-renewable Glycerol to Fuel Additives

open access: yesFrontiers in Chemistry, 2018
The last 20 years have seen an unprecedented breakthrough in the biodiesel industry worldwide leads to abundance of glycerol. Therefore, the economic utilization of glycerol to various value-added chemicals is vital for the sustainability of the ...
Amin Talebian-Kiakalaieh   +2 more
exaly   +3 more sources

Acetalization of glycerol and benzaldehyde to synthesize biofuel additives using SO42-/CeO2–ZrO2 catalyst

open access: yesHeliyon, 2021
Synthesis of 1,3- dioxane and 1,3-dioxolane, using sulfated CeO2–ZrO2 catalyst for acetalization of glycerol with benzaldehyde, is the focus of present work. SO42-/CeO2–ZrO2 catalyst was synthesized using combustion method.
Rajeswari M. Kulkarni, N. Arvind
doaj   +1 more source

Theoretical Analysis of Simulated Moving Bed Reactor for Rapid Reversible Acetalization of Glycerol with Acetone to Synthesize Solketal

open access: yesJournal of Chemical Engineering of Japan, 2023
The efficient reversible acetalization to synthesis solketal from glycerol and acetone (A + B ⇄ C + D type reversible reaction) using a simulated moving bed reactor (SMBR) packed with hydrogen-type cation-exchange resin Amberlyst 16 as a solid catalyst ...
Takuya Fukumura   +5 more
doaj   +1 more source

Eco-friendly synthesis of valuable fuel bio-additives from glycerol

open access: yesCatalysis Communications, 2021
The drastic surplus of glycerol resulting from biodiesel production requires an effective catalytic valorization to ensure biodiesel industry's sustainability.
Christianah Aarinola Akinnawo   +6 more
doaj   +1 more source

Clostebol acetate [PDF]

open access: yesActa Crystallographica Section E Structure Reports Online, 2011
The title compound, C(21)H(29)ClO(3) [systematic name (8R,9S,10R,13S,14S,17S)-4-chloro-3-oxoandrost-4-en-17β-yl acetate], is a 4-chloro derivative of testosterone, used as an anabolic androgenic agent or applied topically in ophthalmological and dermatological treatments. The absolute configurations at positions 8, 9, 10, 13, 14 and 17 were established
E. Maccaroni   +3 more
openaire   +4 more sources

Fast Assembly of Metal Organic Framework UiO-66 in Acid-Base Tunable Deep Eutectic Solvent for the Acetalization of Benzaldehyde and Methanol

open access: yesMolecules, 2022
Zirconium-based metal-organic frameworks (MOFs) have attracted extensive attention owing to their robust stability and facile functionalization. However, they are generally prepared in common volatile solvents within a long reaction time.
Lifang Chen   +5 more
doaj   +1 more source

A Catalysis, Kinetic and Mechanistical Studies for the Transformation of Ethylene Glycol by Alumina and Silica Gel under Autogenous Pressure and Solvent-free Conditions

open access: yesActa Chimica Slovenica, 2021
A kinetic and mechanistical studies of the new pathway for competitive transformation of ethylene glycol by alumina and silica gel have been described. Commercial alumina (Al com), synthetic alumina (Al syn), commercial silica gel (Si com) and synthetic ...
Taoufik Rohand, Kiyoshi Tanemura
doaj   +1 more source

Zinc- and Copper-Loaded Nanosponges from Cellulose Nanofibers Hydrogels: New Heterogeneous Catalysts for the Synthesis of Aromatic Acetals

open access: yesGels, 2022
Herein we report the synthesis of cellulose-based metal-loaded nano-sponges and their application as heterogeneous catalysts in organic synthesis. First, the combination in water solution of TEMPO-oxidized cellulose nanofibers (TOCNF) with branched ...
Laura Riva   +3 more
doaj   +1 more source

Coupling Pyrazine to Dithiocarbonates for Molybdopterin Model Ligands—Indispensable Tin

open access: yesInorganics, 2023
Several synthetic cross-coupling procedures were (re-)evaluated for the tethering of pyrazine to dithiocarbonates. The resultant species constitute pro-ligands and can be converted by removal of the C=O moiety into ene-dithiolate ligand systems that ...
Siva Sankar Murthy Bandaru   +3 more
doaj   +1 more source

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