Dual Gold(I)‐catalyzed Cyclization of Dialkynyl Pyridinium Salts
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DOI: 10.1002/cctc.201700018
Abstract: Novel dialkynyl pyridines were synthesized and protected as alkyl salts for dual gold(I)‐catalyzed cycloisomerization. Different alkyl groups and counter ions were screened for the salts, with benzyl and hexafluorophosphate providing the best results. The cyclization… read more here.
Keywords: dual gold; cyclization; dialkynyl; gold catalyzed ... See more keywords
Gold‐catalyzed Cycloisomerization Reactions within Guanidinium M12L24 Nanospheres: the Effect of Local Concentrations
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DOI: 10.1002/cctc.201900089
Abstract: Gold‐catalyzed cycloisomerization reactions have been explored using guanidinium functionalized M12L24 nanospheres that strongly encapsulate gold complexes functionalized with a sulfonate group through hydrogen bonds. As the M12L24 nanospheres can bind up to 24 gold complexes,… read more here.
Keywords: gold; m12l24 nanospheres; guanidinium; catalyzed cycloisomerization ... See more keywords
Tunable Gold‐catalyzed Reactions of Propargyl Alcohols and Aryl Nucleophiles
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DOI: 10.1002/open.202200030
Abstract: Abstract Gold‐catalyzed transformations of 1,3‐diarylpropargyl alcohols and various aryl nucleophiles were studied. Selective tunable synthetic methods were developed for 1,1,3‐triarylallenes, diaryl‐indenes and tetraaryl‐allyl target products by C3 nucleophilic substitution and subsequent intra‐ or intermolecular hydroarylation,… read more here.
Keywords: tunable gold; diaryl indenes; aryl nucleophiles; catalyzed reactions ... See more keywords
DFT study on the gold(I)-catalyzed cycloaddition and rearrangement reactions of allene-containing allylic silyl ether
Sign Up to like & getrecommendations! Published in 2021 at "Journal of Molecular Modeling"
DOI: 10.1007/s00894-021-05004-8
Abstract: The DFT calculation at the B3LYP/B3LYP-D3(BJ) level was carried out to explore the reaction mechanism of the synthesis of spirocyclo[4,5]decane skeleton by gold-catalyzed allenyl compounds. The more accurate energy under the CH3CN solvent in the… read more here.
Keywords: cycloaddition; study gold; reaction; gold ... See more keywords
Gold-catalyzed intermolecular oxidation of phenylacetylene and allylic sulfides: an efficient and practical synthesis of α-phenylthio ketone
Sign Up to like & getrecommendations! Published in 2018 at "Chemical Research in Chinese Universities"
DOI: 10.1007/s40242-018-7238-7
Abstract: An efficient and practical synthesis of α-phenylthio ketone through gold-catalyzed intermolecular oxidation of phenylacetylene and substituted aryl(benzyl) allylic sulfides was developed. The reaction scope is fairly good with substituted aryl(benzyl) allylic sulfides, tolerating various functional… read more here.
Keywords: practical synthesis; phenylthio ketone; allylic sulfides; efficient practical ... See more keywords
Zinc blende and wurtzite crystal structure formation in gold catalyzed InGaAs nanowires
Sign Up to like & getrecommendations! Published in 2019 at "Journal of Crystal Growth"
DOI: 10.1016/j.jcrysgro.2019.01.002
Abstract: III-V semiconductor nanowires made of materials which have the zinc blende crystal structure in bulk are well known to exhibit either the zinc blende or the wurtzite crystal structure. Understanding and controlling which crystal structure… read more here.
Keywords: blende wurtzite; zinc blende; gold catalyzed; wurtzite crystal ... See more keywords
A heterogeneous gold(I)-catalyzed cascade annulation of aldehydes with propargylamine leading to 3-substituted 2,5-dimethylpyrazines
Sign Up to like & getrecommendations! Published in 2017 at "Journal of Organometallic Chemistry"
DOI: 10.1016/j.jorganchem.2017.07.012
Abstract: Abstract A heterogeneous gold(I)-catalyzed cascade annulation reaction of aldehydes with propargylamine was achieved in 1,2-dichloroethane at 40 °C by using an MCM-41-immobilized phosphine gold(I) complex[MCM-41-PPh 3 -AuNTf 2 ] as catalyst, yielding a variety of 3-substituted… read more here.
Keywords: cascade annulation; heterogeneous gold; gold; catalyzed cascade ... See more keywords
Gold(0) catalyzed dehydrogenation of N-heterocycles
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DOI: 10.1016/j.tetlet.2018.09.050
Abstract: Abstract Gold nanoclusters are good catalyst precursors for the catalytic dehydrogenation of indolines, tetrahydroquinazolines, and related N-heterocycles. The catalytically active species is presumably Au(0) nanoparticles. read more here.
Keywords: dehydrogenation heterocycles; catalyzed dehydrogenation; dehydrogenation; gold catalyzed ... See more keywords
Gold catalyzed cascade reaction of 2-Alkynyl arylazides with 1,2,3-Triazoles to provide N- and N-Indol-3-yl 1,2,3-Triazole derivatives
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DOI: 10.1016/j.tetlet.2020.151851
Abstract: Abstract A new method was developed to prepare N1 and N2-indol-3-yl 1,2,3-trizole products through gold catalyzed cascade reaction of o-alkynyl arylazides with 1,2,3-triazoles, in which, the in-situ generated α-imino gold carbene intermediate was intercepted by… read more here.
Keywords: cascade reaction; arylazides triazoles; reaction alkynyl; catalyzed cascade ... See more keywords
Allenes and Derivatives in Gold(I)- and Platinum(II)-Catalyzed Formal Cycloadditions
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DOI: 10.1021/acs.accounts.8b00567
Abstract: Conspectus Cycloaddition reactions, by involving the formation of at least two bonds and one cycle in a single operation, represent one of the more practical ways to assemble carbo- and heterocyclic structures from simple acyclic… read more here.
Keywords: platinum; catalyzed formal; formal cycloadditions; gold ... See more keywords
Selectivity, Speciation, and Substrate Control in the Gold-Catalyzed Coupling of Indoles and Alkynes
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DOI: 10.1021/acs.organomet.2c00035.s001
Abstract: A convenient and mild protocol for the gold-catalyzed intermolecular coupling of substituted indoles with carbonyl-functionalized alkynes to give vinyl indoles is reported. This reaction affords 3-substituted indoles in high yield, and in contrast to the… read more here.
Keywords: speciation substrate; selectivity speciation; substituted indoles; gold ... See more keywords