Results 91 to 100 of about 10,893 (225)

Chemoselective Hydrogenolysis of Urethanes to Formamides and Alcohols in the Presence of More Electrophilic Carbonyl Compounds

The development of methods for the chemical recycling of polyurethanes is recognized as an urgent issue. Herein, we report the Ir-catalyzed hydrogenolysis of the urethane C–O bond to produce formamides and alcohols, where both formamides and ester and ...
Kyoko, Nozaki, Takanori, Iwasaki, Yuto, Yamada, Naoki, Naito   +3 more
core   +1 more source

Harnessing Copper's Potential: A Review of Cu-Based Catalysts for Glycerol Conversion

Bulletin of Chemical Reaction Engineering & Catalysis
The increasing depletion of fossil fuel reserves and environmental concerns have accelerated the search for sustainable alternatives, leading to the utilization of biodiesel as a renewable energy source. Glycerol, a key byproduct of biodiesel production,
Sabeel Ahmed, Iman Abdullah, Yuni Krisyuningsih Krisnandi   +2 more
doaj   +1 more source

Engineering Plant Biomass Lignin Content and Composition for Biofuels and Bioproducts

Energies, 2015
Lignin is an aromatic biopolymer involved in providing structural support to plant cell walls. Compared to the other cell wall polymers, i.e., cellulose and hemicelluloses, lignin has been considered a hindrance in cellulosic bioethanol production due to
Cassie Marie Welker, Vimal Kumar Balasubramanian, Carloalberto Petti, Krishan Mohan Rai, Seth DeBolt, Venugopal Mendu   +5 more
doaj   +1 more source

Catalytic hydrogenolysis of lignin C-O-C bonds over Ni/C catalyst

, 2013
Catalytic hydrogenolysis of lignin C-O-C bonds over Ni C ...
王峰
core  

Hydrogenolysis of nitrogen-containing compounds on a cobalt-molybdenum catalyst

, 1979
A sulphidized cobalt-molybdenum catalyst on Al2O3 has been used to study hydrogenolysis of pyridine, piperidine, quinoline and their methyl derivatives. In reaction mixtures were identified the compounds which contribute to the knowledge of the mechanism
Mirko Černý
core   +1 more source

Selective hydrogenolysis of polyols

, 2018
SSCI-VIDE+CDFA+NPR:MBE:CPINational audienceThe US Department of Energy listed sorbitol and xylitol among the top-12 plateform molecules. These polyols are industrially obtained at large scales via catalytic hydrogenation of glucose and xylose ...
Pinel, C., Perret, N., Besson, M., Said, A.   +3 more
core   +3 more sources

Recent Progress in Polyolefin Plastic: Polyethylene and Polypropylene Transformation and Depolymerization Techniques

Molecules
This paper highlights the complexity and urgency of addressing plastic pollution, drawing attention to the environmental challenges posed by improperly discarded plastics.
Acácio Silva de Souza, Patricia Garcia Ferreira, Iva Souza de Jesus, Rafael Portugal Rizzo Franco de Oliveira, Alcione Silva de Carvalho, Debora Omena Futuro, Vitor Francisco Ferreira   +6 more
doaj   +1 more source

A novel route to 3-hydroxy-16,17-seco-estrone derivatives (NOTE)

Journal of the Serbian Chemical Society, 1999
Starting from 3-benzyloxy-17-hydroxy-16,17-secoestra-1,3,5(10)-triene-16-nitrile (1b), 17-tosylate 2b and also 17-chloro-, 17-bromo- and 17-iodo-derivatives 4b, 5b, and 6b, were obtained. The fluoro-derivative 3b was obtained from 2b in the reaction with
SUZANA S. JOVANOVIC-SANTA, VJERA M. PEJANOVIC, JULIJANA A. PETROVIC   +2 more
doaj  

SELECTIVE HYDROGENOLYSIS OF GLYCEROL TO PROPYLENE GLYCOL IN A CONTINUOUS FLOW TRICKLE BED REACTOR USING COPPER CHROMITE AND Cu/Al2O3 CATALYSTS

Química Nova
The glycerol hydrogenolysis reaction was performed in a continuous flow trickle bed reactor using a water glycerol feed and both copper chromite and Cu/Al2O3 catalysts.
Jorge Sepúlveda, Debora Manuale, Lucia Santiago, Nicolás Carrara, Gerardo Torres, Carlos Vera, Maraisa Goncalves, Wagner Carvalho, Dalmo Mandelli   +8 more
doaj   +1 more source

Hydrogenolysis of propane on a palladium-ruthenium alloy membrane catalyst

, 2020
1. The rate of hydrogenolysis of propane and the selectivity for methane in delivery of hydrogen through a Pd-Ru alloy membrane catalyst is lower than in conducting the reaction in conditions of combined delivery of hydrogen and propane. 2.
Ermilova M.M., Skakunova E.V., Gryaznov V.M.   +2 more
core   +1 more source