M3+O(-Mn4+)2 Clusters in Doped MnOx Catalysts as Promoted Active Sites for Aerobic Oxidation of 5-Hydroxymethylfurfural

10.1039/C7CY02455J

2018-04-13

Based on variuous experimental results, M3+O(-Mn4+)2 clusters in (Fe, Co, Ni)-doped MnOx catalysts were identified as principal active sites for aerobic oxidation of 5-hydroxymethylfurfural due to their special property that makes oxygen to be easy come, easy...

Direct Liquid-Phase Phenol-to-Aniline Amination Using Pd/C

10.1039/C8CY00193F

2018-04-12

Here we report the first direct amination of phenol with ammonia into primary anilines in the liquid phase. For this, Pd/C was demonstrated to be the most suitable catalyst. Optimization of the reaction parameters resulted in a very selective and sustainable ...

Synergistic design for enhancing solar-to-hydrogen conversion over TiO2 based ternary hybrid

10.1039/C8CY00470F

2018-04-12

Enhancing the visible light responsive and photoactivity of TiO2 is strategic significance and the hottest research frontier. Traditional papers focus on extending the universality of each methods with series of different mechanisms, but rare work discovers t...

Cobalt–nickel alloy catalysts for hydrosilylation of ketones synthesized by utilizing metal–organic framework as template

10.1039/C8CY00150B

2018-04-12

In this article, we report an approach to synthesize alloy Co–Ni nanoparticles encapsulated in carbon by utilization of the MOF, ZIF-67, as a sacrificial template. The alloy CoNi materials are synthesized by incipient wetness impregnation of cobalt-containing...

Cu-Mg-Zr/SiO2 Catalyst for Selective Hydrogenation of Ethylene Carbonate to Methanol and Ethylene Glycol

10.1039/C8CY00023A

2018-04-12

Cux-Mgy-Zrz/SiO2 catalyst with a total metal loading of 60 wt.% prepared by a deposition-precipitation method was applied for selective hydrogenation of ethylene carbonate to methanol and ethylene glycol in a fixed-bed reactor. As a result, the Cu8-Mg1-Zr0.47...

Mn(I) Organometallics Containing the iPr2P(CH2)2PiPr2 Ligand for the Catalytic Hydration of Aromatic Nitriles

10.1039/C8CY00416A

2018-04-11

The first example of a homogeneous hydration of aromatic nitriles catalyzed by manganese molecular compounds is reported. The Mn(I) organometallics fac-[(CO)3Mn(dippe)(Z)]1-nX1-n (n = 0, 1; Z = Br, OTf, PhCN; X = OTf) were synthesized and characterized, and t...

Mechanistic Insights into Catalytic CO2 Hydrogenation using Mn(I)-complexes with Pendant Oxygen Ligands

10.1039/C8CY00183A

2018-04-11

With the aid of density functional theory calculations, we have elucidated the mechanism of catalytic hydrogenation of CO2 to formate using the recently reported dihydroxybipyridine-based Mn(I)- complex. Plausible catalytic pathways are unravelled thoroughly ...

α-PINENE OXIDE ISOMERIZATION: Role of zeolite structure and acidity in selective synthesis of campholenic aldehyde

10.1039/C8CY00371H

2018-04-10

MWW-type zeolites with different textural properties, namely MCM-22, MCM-36, MCM-56, and MCM-49, were synthesized and tested in selective preparation of campholenic aldehyde by isomerization of α-pinene oxide. Commercial zeolites USY, Beta, and ZSM-5 were com...

Enhancement of the activity of Pd/C catalysts in aqueous phase hydrodechlorination through doping of carbon supports

10.1039/C8CY00384J

2018-04-09

The enhancement of the activity of Pd catalysts for aqueous phase hydrodechlorination (HDC) was studied using N-doped tailored supports. N-doped (1-1.7% N, w) and non-doped mesoporous carbon materials with equivalent pore structure were prepared via templatin...

Synthesis of Heterogeneous Ru(II)-1,2,3-Triazole catalyst supported over SBA-15: Application to the Transfer Hydrogen reaction and unusual highly selective 1,4-disbustituted traizole formation via Multicomponent Click Reaction

10.1039/C7CY02619F

2018-04-09

In the present study we demonstrate a simple and efficient method for ligand formation and covalent anchoring to heterogeneous support via click reaction. The complex tris(triphenylphosphine)ruthenium(II) dichloride [RuCl2(PPh3)3] anchored over the click modi...