Nickel-Catalyzed Csp2-Csp3 Bond Formation via C-F Bond Activation.
Sign Up to like & getrecommendations! Published in 2018 at "Organic letters"
DOI: 10.1021/acs.orglett.8b02351
Abstract: A nickel-catalyzed cross coupling of aryl fluorides via C-F bond activation has been developed. The alkylation method allows selective replacement of aryl fluorides by alkyl groups and enables the synthesis of diverse and otherwise difficult… read more here.
Keywords: bond; bond activation; via bond; catalyzed csp2 ... See more keywords
Ag(I)-Catalyzed [3 + 2]-Annulation of Cyclopropenones and Formamides via C-C Bond Cleavage.
Sign Up to like & getrecommendations! Published in 2018 at "Organic letters"
DOI: 10.1021/acs.orglett.8b02612
Abstract: An unprecedented Ag-catalyzed [3 + 2]-annulation of cyclopropenones and DMF via C-C bond cleavage is disclosed. This protocol exhibited excellent chemo- and regio-selectivity, and tolerated various functional groups. More importantly, DMF served as the C═O… read more here.
Keywords: bond; bond cleavage; via bond; annulation cyclopropenones ... See more keywords
Asymmetric Allylic Alkylation of β-Ketoesters via C–N Bond Cleavage of N-Allyl-N-methylaniline Derivatives Catalyzed by a Nickel–Diphosphine System
Sign Up to like & getrecommendations! Published in 2020 at "ACS Catalysis"
DOI: 10.1021/acscatal.0c01356
Abstract: Nickel complexes bearing chiral diphosphine ligands, such as (S)-Tol-MeO-BIPHEP and (S)-H8-BINAP, serve as efficient catalysts for asymmetric allylic alkylation (AAA) of β-ketoesters, using allylic... read more here.
Keywords: allylic alkylation; alkylation ketoesters; asymmetric allylic; via bond ... See more keywords
Alkyl Radical Generation via C–C Bond Cleavage in 2-Substituted Oxazolidines
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DOI: 10.1021/acscatal.2c03768
Abstract: There is an urgent need to develop uncharged radical precursors to be activated under mild photocatalyzed conditions. 2-Substituted-1,3-oxazolidines (Eox < 1.3 V vs SCE, smoothly prepared from the corresponding aldehydes) have been herein employed for… read more here.
Keywords: alkyl radical; cleavage; substituted oxazolidines; via bond ... See more keywords
Harnessing Alkyl Amines as Electrophiles for Nickel-Catalyzed Cross Couplings via C-N Bond Activation.
Sign Up to like & getrecommendations! Published in 2017 at "Journal of the American Chemical Society"
DOI: 10.1021/jacs.7b02389
Abstract: We developed a strategy to harness alkyl amines as alkylating agents via C-N bond activation. This Suzuki-Miyaura cross coupling of alkylpyridinium salts, readily formed from primary amines, is the first example of a metal-catalyzed cross… read more here.
Keywords: catalyzed cross; bond activation; alkyl amines; via bond ... See more keywords
Magnesium-mediated arylation of amines via C-F bond activation of fluoroarenes.
Sign Up to like & getrecommendations! Published in 2019 at "Chemical communications"
DOI: 10.1039/c9cc01670h
Abstract: A series of new Mg(ii) amides featuring a bulky β-diketiminate backstop ligand, has been synthesised. These complexes are demonstrated to be excellent sources of nucleophilic amides that can participate in rapid C-F activation of several… read more here.
Keywords: arylation amines; amines via; mediated arylation; activation ... See more keywords
Developments towards synthesis of N-heterocycles from amidines via C–N/C–C bond formation
Sign Up to like & getrecommendations! Published in 2019 at "Organic Chemistry Frontiers"
DOI: 10.1039/c9qo00283a
Abstract: This review focuses on the synthesis of N-heterocycles using amidines as starting materials, with an emphasis on the mechanisms of these reactions via C–N/C–C bond formation. read more here.
Keywords: synthesis heterocycles; via bond; bond formation;
Microwave-assisted copper(i) catalyzed A3 cascade coupling of imidazo[1,2-a]pyridines via C–H bond functionalization as selective COX-2 inhibitors and antioxidants, and in silico studies
Sign Up to like & getrecommendations! Published in 2023 at "New Journal of Chemistry"
DOI: 10.1039/d3nj00524k
Abstract: A proficient copper(i) catalyzed one pot synthetic protocol has been established to synthesize medicinally essential substituted imidazo[1,2-a]pyridines via C–H bond amination followed by acetylene incorporation under microwave irradiation. read more here.
Keywords: imidazo pyridines; copper catalyzed; pyridines via; via bond ... See more keywords
Analysis of Energy Harvesting in a New Prosthetic Foot Via Bond Graph Method
Sign Up to like & getrecommendations! Published in 2018 at "IEEE Latin America Transactions"
DOI: 10.1109/tla.2018.8804249
Abstract: This paper proposes the application of the Energy Harvesting concept to quantify the energy potential of mechanical energy from the direct contact of a prothetic foot with the ground during walking. Dynamic system modeling was… read more here.
Keywords: energy harvesting; bond graph; via bond; energy ... See more keywords
A Facile Route to 4-Polyfluoroarylquinolin-2(1H)-ones and 4-Polyfluoroarylcoumarins via C-H Bond Activation
Sign Up to like & getrecommendations! Published in 2017 at "Chemistry Letters"
DOI: 10.1246/cl.170466
Abstract: Palladium-catalyzed cross-coupling reaction of 4-trifloxyquinolin-2(1H)-ones or 4-chlorocoumarins with polyfluoroarenes has been successfully developed. Under mild conditions, the reactions afforde... read more here.
Keywords: facile route; route polyfluoroarylquinolin; polyfluoroarylquinolin ones; polyfluoroarylcoumarins via ... See more keywords
Synthesis of N-Heteroarenemethyl Esters via C–C Bond Cleavage of Acyl Cyanides Under Transition Metal-Free Conditions
Sign Up to like & getrecommendations! Published in 2021 at "Frontiers in Chemistry"
DOI: 10.3389/fchem.2021.822625
Abstract: A practical method to synthesize N-heteroaryl esters from N-heteroaryl methanols with acyl cyanides via C–C bond cleavage without using any transition metal is demonstrated here. The use of Na2CO3/15-crown-5 couple enables access to a series… read more here.
Keywords: via bond; acyl cyanides; bond cleavage; transition metal ... See more keywords