Silver‐Catalyzed Decarboxylative Radical Cyclizations: Developments and Insights
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DOI: 10.1002/ajoc.202400225
Abstract: Transition‐metal‐catalyzed decarboxylative cross‐coupling reaction provides a powerful method for the construction C‐C, C‐N, C‐O bonds, which have great impact on synthetic chemistry. The use of silver salts as catalyst in decarboxylative reaction gradually increases because… read more here.
Keywords: chemistry; radical cyclizations; decarboxylative radical; silver catalyzed ... See more keywords
Sequential Silver‐Catalyzed Oxidative Cyclization Reactions of Unprotected 2‐Alkynylanilines to Anthranils
Sign Up to like & getrecommendations! Published in 2017 at "European Journal of Organic Chemistry"
DOI: 10.1002/ejoc.201601600
Abstract: The full details of the original Ag-catalyzed domino oxidative cyclization reactions of unprotected 2-alkynylanilines with Oxone are described. The influences of several parameters including the substrate features, oxidant, reaction conditions, and catalyst on the reaction… read more here.
Keywords: silver catalyzed; reactions unprotected; cyclization reactions; unprotected alkynylanilines ... See more keywords
Silver(I)‐Catalyzed Syntheses of Triarylmethanes (TRAMs)
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DOI: 10.1002/ejoc.202400877
Abstract: The obtention of triarylmethanes was first evaluated in the presence of various Brønsted and Lewis acids under the same stoichiometric conditions. An efficient silver(I)‐catalyzed synthesis of triarylmethanes is reported. The reaction offers low catalyst loadings… read more here.
Keywords: chemistry; triarylmethanes trams; catalyzed syntheses; silver catalyzed ... See more keywords
Mechanistic study on silver-catalyzed direct amination of unactivated CH bond
Sign Up to like & getrecommendations! Published in 2017 at "Journal of Organometallic Chemistry"
DOI: 10.1016/j.jorganchem.2017.01.006
Abstract: Abstract A systematic investigation has been conducted into the mechanism for the silver-catalyzed direct amination of unactivated C H bonds in triflamides by density functional theory (DFT). The present work is in favor of the… read more here.
Keywords: silver catalyzed; direct amination; mechanistic study; amination unactivated ... See more keywords
Silver-catalyzed efficient synthesis of enaminones from propargyl alcohols and amines
Sign Up to like & getrecommendations! Published in 2017 at "Tetrahedron Letters"
DOI: 10.1016/j.tetlet.2017.09.054
Abstract: Abstract Enaminones are used as the key intermediates to construct heterocyclic compounds with various bioactivities. In this study, a simple and efficient approach for the synthesis of enaminones via amination of propargyl alcohols was developed.… read more here.
Keywords: silver catalyzed; propargyl alcohols; efficient synthesis; catalyzed efficient ... See more keywords
Silver(I) catalyzed intermolecular alkene carbo-alkoxylation through cleavage of allylic ether C–O bond
Sign Up to like & getrecommendations! Published in 2020 at "Tetrahedron Letters"
DOI: 10.1016/j.tetlet.2020.151895
Abstract: Abstract All rights reserved. First example of allylic ether’s dimerization reaction was developed through olefin’s C–O bond insertion via Ag(I) catalysis. Other aromatic olefins, such as styrene and its electro-poor analogues could participate to provide… read more here.
Keywords: silver catalyzed; allylic ether; catalyzed intermolecular; bond ... See more keywords
Silver-Catalyzed C-H Aryloxydifluoromethylation and Arylthiodifluoromethylation of Heteroarenes.
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DOI: 10.1021/acs.orglett.0c01826
Abstract: The oxidative C-H aryloxydifluoromethylation and arylthiodifluoromethylation of heteroaromatic compounds through the decarboxylation of easily accessible aryloxydifluoroacetic acids and arylthiodifluoroacetic acids, respectively, are disclosed. These reactions are promoted by the combination of catalytic AgNO3 and Selectfluor… read more here.
Keywords: silver catalyzed; aryloxydifluoromethylation arylthiodifluoromethylation; arylthiodifluoromethylation heteroarenes; aryloxydifluoromethylation ... See more keywords
Silver-Catalyzed Cascade Cyclization Reaction of Isocyanides with Sulfoxonium Ylides: Synthesis of 3-Aminofurans and 4-Aminoquinolines.
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DOI: 10.1021/acs.orglett.0c02835
Abstract: A silver-catalyzed cascade cyclization reaction of isocyanides with sulfoxonium ylides has been developed for the first time. This reaction provides a new and efficient method for the construction of highly functionalized 3-aminofurans and 4-aminoquinolines from… read more here.
Keywords: silver catalyzed; reaction isocyanides; cascade cyclization; cyclization reaction ... See more keywords
Silver-Catalyzed Carbon Dioxide Fixation on Alkynylindoles.
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DOI: 10.1021/acs.orglett.0c03250.s001
Abstract: A silver-catalyzed carbon dioxide fixation reaction into 2-alkynylindole derivatives was developed to afford tricyclic indoles. Carbon dioxide was selectively fixed on the N atom of the indole, and only 6-endo-dig cyclization proceeded under mild reaction… read more here.
Keywords: dioxide fixation; carbon; carbon dioxide; silver catalyzed ... See more keywords
Silver-Catalyzed Trifluoromethoxylation of Aziridines.
Sign Up to like & getrecommendations! Published in 2022 at "Organic letters"
DOI: 10.1021/acs.orglett.1c04226
Abstract: We disclose a silver-catalyzed trifluoromethoxylation of N-tosyl aziridines with trifluoromethyl arylsulfonate. The protocol is characterized by its mild conditions, simple operations, and good chemo- and regioselectivity. In addition, the trifluoromethoxylation of trisubstituted aziridines could construct… read more here.
Keywords: catalyzed trifluoromethoxylation; trifluoromethoxylation; chemistry; silver catalyzed ... See more keywords
Silver(I)-Catalyzed Reductive Cross-Coupling of Aldehydes to Structurally Diverse Cyclic and Acyclic Ethers.
Sign Up to like & getrecommendations! Published in 2022 at "Organic letters"
DOI: 10.1021/acs.orglett.2c00270
Abstract: A range of medium-sized cyclic ethers (5 to 11 membered) have been effectively synthesized through intramolecular reductive coupling of dialdehydes initiated by 50 ppm to 0.5% of AgNTf2 with hydrosilane at 25 °C. The catalytic… read more here.
Keywords: reductive cross; cross coupling; coupling aldehydes; catalyzed reductive ... See more keywords