Steric and Electronic Effects of Phosphane Additives on the Catalytic Performance of Colloidal Palladium Nanoparticles in the Semi‐Hydrogenation of Alkynes
Sign Up to like & getrecommendations! Published in 2020 at "ChemCatChem"
DOI: 10.1002/cctc.202001121
Abstract: We report on the influence of phosphanes on the catalytic activity and selectivity of colloidal, tetraoctylammonium bromide (TOAB) stabilised palladium nanoparticles (NPs) in the semi‐hydrogenation of alkynes to olefins. Full characterisation of the catalytic system… read more here.
Keywords: palladium nanoparticles; semi hydrogenation; performance; hydrogenation alkynes ... See more keywords
Nickel‐Catalyzed Stereodivergent Synthesis of E‐ and Z‐Alkenes by Hydrogenation of Alkynes
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DOI: 10.1002/cssc.201900784
Abstract: Abstract A convenient protocol for stereodivergent hydrogenation of alkynes to E‐ and Z‐alkenes by using nickel catalysts was developed. Simple Ni(NO3)2⋅6 H2O as a catalyst precursor formed active nanoparticles, which were effective for the semihydrogenation of… read more here.
Keywords: hydrogenation; catalyzed stereodivergent; stereodivergent synthesis; synthesis alkenes ... See more keywords
Fabrication of Ni3N nanorods anchored on N-doped carbon for selective semi-hydrogenation of alkynes
Sign Up to like & getrecommendations! Published in 2020 at "Journal of Catalysis"
DOI: 10.1016/j.jcat.2019.12.005
Abstract: Abstract Nickel is a highly active catalyst for the semi-hydrogenation of alkynes. However, the low selectivity of the alkene product caused by the over-hydrogenation reaction on Ni has hindered its practical applications. In this work,… read more here.
Keywords: fabrication ni3n; semi hydrogenation; hydrogenation; ni3n nanorods ... See more keywords
Di-ruthenium complexes having diphosphines and carbonyls: Formation, structure, and catalytic hydrogenation of alkynes
Sign Up to like & getrecommendations! Published in 2017 at "Journal of Organometallic Chemistry"
DOI: 10.1016/j.jorganchem.2017.01.027
Abstract: Abstract Reaction of three selected diphos ligands, viz. 1,2-bis(diphenylphosphino)ethane (L1), 1,3-bis(diphenylphosphino)propane (L2) and 1,4-bis(diphenylphosphino)butane (L3), with [{Ru(CO)2Cl2}n] has afforded di-ruthenium complexes of type [Ru2(L)3(CO)2Cl4], (1–3). Crystal structure of complex 1 has been determined, and molecular… read more here.
Keywords: ruthenium; hydrogenation alkynes; formation; structure ... See more keywords
Semi-hydrogenation of alkynes using Ru/TPPTS as a biphasic recyclable catalyst in ethylene glycol-toluene solvent system
Sign Up to like & getrecommendations! Published in 2018 at "Molecular Catalysis"
DOI: 10.1016/j.mcat.2018.09.008
Abstract: Abstract The chemoselective semi-hydrogenation of alkynes into E and Z -alkenes was studied by using Ru/TPPTS as a biphasic and recyclable catalyst in ethylene glycol-toluene solvent system. Current protocol is atom efficient and gives selectivity… read more here.
Keywords: system; semi hydrogenation; using tppts; tppts biphasic ... See more keywords
Chemoselective Hydrogenation of Alkynes to (Z)-Alkenes Using an Air-Stable Base Metal Catalyst.
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DOI: 10.1021/acs.orglett.0c01783
Abstract: A highly selective hydrogenation of alkynes using an air-stable and readily available manganese catalyst has been achieved. The reaction proceeds under mild reaction conditions and tolerates various functional groups, resulting in (Z)-alkenes and allylic alcohols… read more here.
Keywords: hydrogenation alkynes; catalyst; air stable; using air ... See more keywords
Catalytic, Z-Selective, Semi-Hydrogenation of Alkynes with a Zinc–Anilide Complex
Sign Up to like & getrecommendations! Published in 2023 at "Journal of the American Chemical Society"
DOI: 10.1021/jacs.3c02301
Abstract: The reversible activation of dihydrogen with a molecular zinc anilide complex is reported. The mechanism of this reaction has been probed through stoichiometric experiments and density functional theory (DFT) calculations. The combined evidence suggests that… read more here.
Keywords: anilide complex; zinc; hydrogenation; semi hydrogenation ... See more keywords
(NHC-olefin)-nickel(0) nanoparticles as catalysts for the (Z)-selective semi-hydrogenation of alkynes and ynamides.
Sign Up to like & getrecommendations! Published in 2023 at "Chemical communications"
DOI: 10.1039/d2cc05302k
Abstract: Nickel(0) nanoparticles coordinated to NHC ligands bearing N-coordinated cinnamyl moieties were readily prepared by reduction of a [NiCpBr(NHC-cinnamyl)] complex with methyl magnesium bromide. The combination of a strong σ-donor NHC ligand with a π-coordinating appended… read more here.
Keywords: semi hydrogenation; selective semi; nickel nanoparticles; alkynes ynamides ... See more keywords