Articles with "catalyzed ligand" as a keyword



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Cobalt-Catalyzed Ligand-Controlled Divergent Regioselective Reactions of 1,6-Enynes with Thiols

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Published in 2020 at "Organometallics"

DOI: 10.1021/acs.organomet.0c00179

Abstract: An efficient cobalt-catalyzed method for the synthesis of carbocyclic organosulfur compounds from 1,6-enynes and thiols has been developed. The significance of this methodology is the ability to gi... read more here.

Keywords: divergent regioselective; controlled divergent; enynes thiols; cobalt catalyzed ... See more keywords
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Ruthenium-Catalyzed Ligand-Enabled Regiodivergent Difluoroallylation of Aryl C-H Bonds.

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Published in 2023 at "Organic letters"

DOI: 10.1021/acs.orglett.3c00873

Abstract: The gem-difluoroallyl group is a sought-after structural motif commonly found in pharmaceutical compounds. Despite its appeal, achieving a controlled synthesis of both α,α- and γ,γ-difluoroallylated compounds has proven to be a challenging task. This study… read more here.

Keywords: catalyzed ligand; ligand enabled; regiodivergent difluoroallylation; ruthenium catalyzed ... See more keywords
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Copper-Catalyzed Ligand-Free Diazidation of Olefins with TMSN3 in CH3CN or in H2O.

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Published in 2017 at "Organic letters"

DOI: 10.1021/acs.orglett.7b02982

Abstract: An environmentally benign, copper-catalyzed diazidation of a broad range of olefins, including vinylarenes, unactivated alkenes, allene, and dienes, under mild conditions with TMSN3 (trimethylazidosilane) as azido source, has been developed. This reaction can be carried… read more here.

Keywords: free diazidation; ligand free; copper catalyzed; diazidation ... See more keywords
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Gold(I)-Catalyzed and Ligand-Controlled Regioselective Cascade Cycloisomerizations of Bis(indolyl)-1,3-diynes and a Mechanistic Explanation.

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Published in 2019 at "Organic letters"

DOI: 10.1021/acs.orglett.9b02778

Abstract: A regioselective synthetic method for the preparation of indole-fused seven-membered rings and bis(indole) connected to five-membered heterocyclic units from gold(I)-catalyzed cascade cycloisomerization of bis(indolyl)-1,3-diynes is described. This divergence in product selectivity was induced by introducing… read more here.

Keywords: indolyl diynes; bis indolyl; ligand controlled; catalyzed ligand ... See more keywords
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Nickel-catalyzed, ligand-free, diastereoselective synthesis of 3-methyleneindan-1-ols.

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Published in 2018 at "Chemical communications"

DOI: 10.1039/c8cc06388e

Abstract: Nickel-catalyzed, highly diastereoselective annulations between activated allenes and 2-acetylarylboronic acid or 2-formylarylboronic acids are reported. No ligand for nickel is required, and the reactions proceed efficiently at room temperature to give a broad range of… read more here.

Keywords: ligand free; methyleneindan ols; free diastereoselective; nickel catalyzed ... See more keywords
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Nickel-Catalyzed Ligand-Free Hiyama Coupling of Aryl Bromides and Vinyltrimethoxysilane

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Published in 2021 at "Synlett"

DOI: 10.1055/a-1379-1584

Abstract: We herein disclose the first Ni-catalyzed Hiyama coupling of aryl halides with vinylsilanes. This protocol uses cheap, nontoxic, and stable vinyltrimethoxysilane as the vinyl donor, proceeds under mild and ligand-free conditions, furnishing a diverse variety… read more here.

Keywords: nickel catalyzed; ligand free; coupling aryl; catalyzed ligand ... See more keywords