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Palladium-catalysed aminocarbonylation/cyclization of iodoalkenes toward N-propargylcarboxamides and oxazoles 10.1016/j.mcat.2018.03.015 2018-04-06 Palladium(0) complexes formed in situ from a palladium(II) precursor, Pd(OAc)2, proved to be highly active catalytic system in aminocarbonylation of the variety of iodoalkenes (1-iodocyclohexene, 4-tert-butyl-1-iodocyclohexene, 2-methyl-1-iodocyclohexene, α-i...
Iron-based metalloporphyrins as efficient catalysts for aerobic oxidation of biomass derived furfural into maleic acid 10.1016/j.mcat.2018.03.018 2018-03-30 A series of porphyrin type catalysts with the metal active sites of Fe were prepared and investigated in aerobic oxidation of biomass-based furfural to maleic acid (MAD) in aqueous phase. The catalytic performance of meso-tetrakis(4-bromophenyl)porphyrin iron...
A facial strategy to synthesize Pd/Co3O4 nanosheets with enhanced performance for methane catalytic oxidation 10.1016/j.mcat.2018.03.016 2018-03-30 Pd-based catalysts that prepared by traditional impregnation or co-precipitate method show remarkable activity for catalytic oxidation of hydrocarbon, unfortunately they tend to deactivate in the long-term reaction process or at high temperature by sintering ...
Semi-industrial studies of Tungsten-based catalyst for hydroisomerization/hydrocracking of n-hexane and n-heptane 10.1016/j.mcat.2018.03.017 2018-03-28 WO3/TiO2(WTi) composite was prepared via an environmentally friendly, fast and facile wet impregnation method using distilled water as the solvent. The catalyst composite was investigated by in-situ XPS-UPS and ex-situ BET and XRD characterization techniques ...
Room-temperature solid phase ionic liquid (RTSPIL) coated ω-transaminases: Development and application in organic solvents 10.1016/j.mcat.2018.03.012 2018-03-28 ω-Transaminases ATA-40, ATA-47 and ATA-82P were coated with room-temperature solid phase ionic liquids (RTSPILs) by means of three methods, melt coating, precipitation coating, and co‐lyophilization, and showed increased stability in all of the five tested or...
Silanization of Iron Oxide Magnetic Nanoparticles with ionic liquids based on amino acids and its application as heterogeneous catalysts for Knoevenagel condensation reactions 10.1016/j.mcat.2018.03.008 2018-03-24 Iron oxide magnetic nanoparticles (MNPs) stabilized with silane ligands, containing choline hydroxide and amino acid ionic liquid functionalities, have been prepared. The appropriate silane ligands have been synthesized; the choline hydroxide propyl silane li...
Activation of natural mordenite by various acids: Characterization and evaluation in the transformation of limonene into p-cymene 10.1016/j.mcat.2018.03.013 2018-03-23 Natural mordenite originated from volcanic soils in Greek islands was treated with aqueous solutions of various acids (CH3COOH, H2SO4, HCl, HNO3). The samples were characterized by the joint use of N2-physisorption, X-ray Diffraction, Attenuated Total Reflect...
Mild direct amination of benzoxazoles using interpenetrating Cobalt(II)-based metal-organic framework as an efficient heterogeneous catalyst 10.1016/j.mcat.2018.03.011 2018-03-23 Based on the acid-base mixed-ligand assembly strategy, a new acid- and base-stable cobalt(II) metal-organic framework {[Co(tcpa)(Fbtx)(H2O)2]·0.5H2O}n (denoted as Co-MOF, Fbtx = 1,4-bis(1,2,4-triazole-1-ylmethyl)-2,3,5,6-tetrafluorobenzene, H2tcpa = 3,4,5,6-t...
Multisite activation of epoxides by recyclable CaI2/N-methyldiethanolamine catalyst for CO2 fixation: A facile access to cyclic carbonates under mild conditions 10.1016/j.mcat.2018.03.010 2018-03-22 The conversion of CO2 into valuable products has become the inherent part of green and sustainable chemistry. Here we demonstrated an efficient synthesis of cyclic carbonates from epoxides and CO2 under mild conditions (at 50 °C for 6 h under a CO2 atmosphere...
Mechanistic aspects of copper (II)-catalyzed synthesis of sulfones from sulfinate salts and aryl halides under C-S coupling 10.1016/j.mcat.2017.12.016 2018-03-20 Copper(II)-catalyzed synthesis of sulfones from sulfinate salts and aryl halides was investigated by means of a combination of experiment and DFT calculation. Experimental results demonstrated the wide applicability of the title approach. The reaction mechani...

Palladium-catalysed aminocarbonylation/cyclization of iodoalkenes toward N-propargylcarboxamides and oxazoles

10.1016/j.mcat.2018.03.015

2018-04-06

Palladium(0) complexes formed in situ from a palladium(II) precursor, Pd(OAc)2, proved to be highly active catalytic system in aminocarbonylation of the variety of iodoalkenes (1-iodocyclohexene, 4-tert-butyl-1-iodocyclohexene, 2-methyl-1-iodocyclohexene, α-i...

Iron-based metalloporphyrins as efficient catalysts for aerobic oxidation of biomass derived furfural into maleic acid

10.1016/j.mcat.2018.03.018

2018-03-30

A series of porphyrin type catalysts with the metal active sites of Fe were prepared and investigated in aerobic oxidation of biomass-based furfural to maleic acid (MAD) in aqueous phase. The catalytic performance of meso-tetrakis(4-bromophenyl)porphyrin iron...

A facial strategy to synthesize Pd/Co3O4 nanosheets with enhanced performance for methane catalytic oxidation

10.1016/j.mcat.2018.03.016

2018-03-30

Pd-based catalysts that prepared by traditional impregnation or co-precipitate method show remarkable activity for catalytic oxidation of hydrocarbon, unfortunately they tend to deactivate in the long-term reaction process or at high temperature by sintering ...

Semi-industrial studies of Tungsten-based catalyst for hydroisomerization/hydrocracking of n-hexane and n-heptane

10.1016/j.mcat.2018.03.017

2018-03-28

WO3/TiO2(WTi) composite was prepared via an environmentally friendly, fast and facile wet impregnation method using distilled water as the solvent. The catalyst composite was investigated by in-situ XPS-UPS and ex-situ BET and XRD characterization techniques ...

Room-temperature solid phase ionic liquid (RTSPIL) coated ω-transaminases: Development and application in organic solvents

10.1016/j.mcat.2018.03.012

2018-03-28

ω-Transaminases ATA-40, ATA-47 and ATA-82P were coated with room-temperature solid phase ionic liquids (RTSPILs) by means of three methods, melt coating, precipitation coating, and co‐lyophilization, and showed increased stability in all of the five tested or...

Silanization of Iron Oxide Magnetic Nanoparticles with ionic liquids based on amino acids and its application as heterogeneous catalysts for Knoevenagel condensation reactions

10.1016/j.mcat.2018.03.008

2018-03-24

Iron oxide magnetic nanoparticles (MNPs) stabilized with silane ligands, containing choline hydroxide and amino acid ionic liquid functionalities, have been prepared. The appropriate silane ligands have been synthesized; the choline hydroxide propyl silane li...

Activation of natural mordenite by various acids: Characterization and evaluation in the transformation of limonene into p-cymene

10.1016/j.mcat.2018.03.013

2018-03-23

Natural mordenite originated from volcanic soils in Greek islands was treated with aqueous solutions of various acids (CH3COOH, H2SO4, HCl, HNO3). The samples were characterized by the joint use of N2-physisorption, X-ray Diffraction, Attenuated Total Reflect...

Mild direct amination of benzoxazoles using interpenetrating Cobalt(II)-based metal-organic framework as an efficient heterogeneous catalyst

10.1016/j.mcat.2018.03.011

2018-03-23

Based on the acid-base mixed-ligand assembly strategy, a new acid- and base-stable cobalt(II) metal-organic framework {[Co(tcpa)(Fbtx)(H2O)2]·0.5H2O}n (denoted as Co-MOF, Fbtx = 1,4-bis(1,2,4-triazole-1-ylmethyl)-2,3,5,6-tetrafluorobenzene, H2tcpa = 3,4,5,6-t...

Multisite activation of epoxides by recyclable CaI2/N-methyldiethanolamine catalyst for CO2 fixation: A facile access to cyclic carbonates under mild conditions

10.1016/j.mcat.2018.03.010

2018-03-22

The conversion of CO2 into valuable products has become the inherent part of green and sustainable chemistry. Here we demonstrated an efficient synthesis of cyclic carbonates from epoxides and CO2 under mild conditions (at 50 °C for 6 h under a CO2 atmosphere...

Mechanistic aspects of copper (II)-catalyzed synthesis of sulfones from sulfinate salts and aryl halides under C-S coupling

10.1016/j.mcat.2017.12.016

2018-03-20

Copper(II)-catalyzed synthesis of sulfones from sulfinate salts and aryl halides was investigated by means of a combination of experiment and DFT calculation. Experimental results demonstrated the wide applicability of the title approach. The reaction mechani...