Results 11 to 20 of about 183,819 (280)

Methyl 4-methyl-2-oxo-3,4-dihydrodibenzo[b,d]furan-4a(2H)-carboxylate

open access: yesIUCrData, 2017
The title compound, C15H14O4, has structural similarities to the alkaloid galanthamine, used in the treatment of Alzheimer's disease. The structure consists of a fused three-ring system comprising benzene and cyclohexenone fused to a central furan ring ...
Yidong Jiang, Yifeng Wang
doaj   +1 more source

Catalysts for selective hydrogenation of acetylene: A review

open access: yesMaterials Today Catalysis, 2023
Ethylene is a crucial industrial feedstock in the petrochemical sector. However, the presence of a small amount of acetylene impurities in ethylene products will directly affect the next application of ethylene.
Kefeng Xie   +5 more
doaj   +1 more source

Highly selective hydrogenation of furfural over supported Pt nanoparticles under mild conditions [PDF]

open access: yes, 2015
The selective liquid phase hydrogenation of furfural to furfuryl alcohol over Pt nanoparticles supported on SiO₂, ZnO, γ-Al2O₃, CeO₂ is reported under extremely mild conditions.
Durndell, Lee J.   +6 more
core   +1 more source

Methyl 1-[(Z)-2-(benzyloxycarbonyl)hydrazin-1-ylidene]-5-chloro-2-hydroxyindane-2-carboxylate

open access: yesActa Crystallographica Section E, 2014
The title compound, C19H17ClN2O5, is an important intermediate for the synthesis of the pesticide Indoxacarb [systematic name: (S)-methyl 7-chloro-2-{[(methoxycarbonyl)[4-(trifluoromethoxy)phenyl]amino]carbonyl}-2H,3H,4aH,5H-indeno[1,2-e][1,3,4 ...
Kun Dong, Yifeng Wang
doaj   +1 more source

Liquid-phase hydrogenation of bio-refined succinic acid to 1,4-butanediol using bimetallic catalysts [PDF]

open access: yes, 2019
open access articleDevelopment of a Crotalaria juncea based biorefinery produce large quantity of waste glycerol after trans-esterification of the juncea seeds.
Baidya, P.K.   +3 more
core   +7 more sources

Mechanistic insights to drive catalytic hydrogenation of formamide intermediates to methanol via deaminative hydrogenation

open access: yesFrontiers in Energy Research, 2023
Amine-promoted hydrogenation of CO2 to methanol typically proceeds via a formamide intermediate when amines are used as additives or if the hydrogenation is performed in carbon capture solvents.
Jotheeswari Kothandaraman   +4 more
doaj   +1 more source

Factors affecting the extent of branching in fischertropsch synthesis products with iron-based catalysts [PDF]

open access: yes, 1989
Branched products are mainly formed during secondary isomerization reactions, and not in the main synthesis reaction itself. The extent of branching is a function of the catalyst formulation. High acidity and a low hydrogenation strength of the catalyst (
Snel, R.
core   +2 more sources

Hydrogenation of styrene-isoprene-styrene block copolymer and its product properties

open access: yesHecheng xiangjiao gongye, 2021
The hydrogenation of styrene-isoprene-styrene block copolymer(SIS) was catalyzed by nickel-based catalyst, and the mechanism of catalytic reaction was studied.
LIANG Ai-min
doaj   +1 more source

Highly active iridium(I) complexes for the selective hydrogenation of carbon-carbon multiple bonds [PDF]

open access: yes, 2011
New iridium(I) complexes, bearing a bulky NHC/phosphine ligand combination, have been established as extremely efficient hydrogenation catalysts that can be used at low catalyst loadings, and are compatible with functional groups which are often ...
Andersson, Shalini   +5 more
core   +1 more source

An Operando Nuclear Magnetic Resonance Study on Solid-Liquid-Gas Heterogeneous Benzene Hydrogenation Reaction

open access: yesChinese Journal of Magnetic Resonance, 2021
The reaction of heterogeneous benzene hydrogenation reaction in a real solid-liquid-gas environment was studied by operando nuclear magnetic resonance (NMR) spectroscopy.
Song SUI   +4 more
doaj   +1 more source

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