scholarly journals Zirconium and hafnium polyhedral oligosilsesquioxane complexes – green homogeneous catalysts in the formation of bio-derived ethers via a MPV/etherification reaction cascade

2021 ◽  
Author(s):  
Shipra Garg ◽  
Daniel K. Unruh ◽  
Clemens Krempner
Keyword(s):  
Green Solvent ◽  
Homogeneous Catalysts ◽  
Polyhedral Oligosilsesquioxane

Newly designed POSS supported zirconium and hafnium isopropoxides are robust, durable and selective homogeneous catalysts for the conversion of hydroxymethylfurfural to bis(isopropoxymethyl)furane via MPV/etherification reaction with isopropanol as a green solvent/reagent.

Arene Dearomatization via Radical Hydroarylation

2019 ◽  
Author(s):  
Autumn Flynn ◽  
Kelly McDaniel ◽  
Meredith Hughes ◽  
David Vogt ◽  
Nathan Jui
Keyword(s):  
Precious Metal ◽  
Room Temperature ◽  
Aryl Halide ◽  
Solvent System ◽  
Benzene Derivatives ◽  
Green Solvent ◽  
Photocatalytic System

A photocatalytic system for the dearomative hydroarylation of benzene derivatives has been developed. Using a combination of an organic photoredox catalyst and an amine reductant, this process operates through a reductive radical-polar crossover mechanism where aryl halide reduction triggers a regioselective cyclization event, giving rise to a range of complex spirocyclic cyclohexadienes. This light-driven protocol functions at room temperature in a green solvent system (aq. MeCN), without the need for precious metal-based catalysts or reagents, or the generation of stoichiometric metal byproducts.

Electrolysis of Ionic Liquids. A Possible Keystone for the Achievement of Green Solvent-Catalyst Systems

2013 ◽  
Vol 17 (3) ◽  
pp. 204-219 ◽  
Author(s):  
Marta Feroci ◽  
Isabella Chiarotto ◽  
Achille Inesi
Keyword(s):  
Ionic Liquids ◽  
Green Solvent ◽  
Catalyst Systems

Ligand Tethering by Ion-Exchange for the Immobilization of Homogeneous Catalysts

2012 ◽  
Vol 1 (2) ◽  
pp. 100-106 ◽  
Author(s):  
I. Such-Basanez ◽  
C. Salinas-Martinez de Lecea ◽  
M. C. Roman-Martinez
Keyword(s):  
Ion Exchange ◽  
Homogeneous Catalysts

scholarly journals A sustainable approach to cathode delamination using a green solvent

RSC Advances ◽  
2021 ◽  
Vol 11 (44) ◽  
pp. 27356-27368
Author(s):  
Onurcan Buken ◽  
Kayla Mancini ◽  
Amrita Sarkar
Keyword(s):  
End Of Life ◽  
Li Ion Batteries ◽  
Green Solvent ◽  
Active Materials ◽  
Current Collectors ◽  
Li Ion

A green solvent-based methodology was developed for delaminating cathode active materials from aluminium current collectors in end-of-life Li-ion batteries.

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