Articles with "primary amides" as a keyword



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Uniformly dispersed copper nanoparticles onto the modified magnetically recoverable nanocatalyst for aqueous synthesis of primary amides

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Published in 2018 at "Applied Organometallic Chemistry"

DOI: 10.1002/aoc.3925

Abstract: Magnetically recoverable and environmentally friendly Cu-based heterogeneous catalyst has been synthesized for the one-pot conversion of aldehydes to their corresponding primary amides. The Fe3O4@SiO2 nanocomposites were prepared by synthesis of Fe3O4 magnetic nanoparticles (MNPs) which… read more here.

Keywords: copper; magnetically recoverable; dispersed copper; onto modified ... See more keywords
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One–pot green catalytic synthesis of primary amides in aqueous medium by CuII–immobilized silica–based magnetic retrievable nanocatalyst

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Published in 2017 at "Catalysis Communications"

DOI: 10.1016/j.catcom.2016.12.004

Abstract: Abstract In order to develop a new nanocatalyst, a copper–birhodanine derivative complex crafted onto Fe3O4@SiO2 nanoparticle [abbreviated as Fe3O4@SiO2–Ligand–Cu(II)] was synthesized and their structure characterized by different physicochemical techniques such as FT–IR, FE–SEM, XRD, EDX,… read more here.

Keywords: pot green; synthesis primary; nanocatalyst; one pot ... See more keywords
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Dehydration of primary amides to nitriles catalyzed by [CNC]-pincer hydrido cobalt(III) complexes

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Published in 2019 at "Catalysis Communications"

DOI: 10.1016/j.catcom.2018.12.002

Abstract: Abstract The dehydration reactions from primary amides to nitriles were catalyzed by the [CNC]-pincer hydrido cobalt(III) complexes [(ortho-F4C6 CH N C10H6)Co(III)(H)(PMe3)2] (1), [(2,5-F2C6H2 CH N C10H6)Co(III)(H)(PMe3)2] (2) and [(2,4,5-F3C6H CH N C10H6)Co(III)(H)(PMe3)2] (3) as catalysts… read more here.

Keywords: iii; amides nitriles; hydrido cobalt; cobalt iii ... See more keywords
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A continuous-flow synthesis of primary amides from hydrolysis of nitriles using hydrogen peroxide as oxidant

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Published in 2018 at "Tetrahedron"

DOI: 10.1016/j.tet.2018.02.017

Abstract: Abstract A continuous-flow synthesis of primary amides from hydrolysis of nitriles using hydrogen peroxide as oxidant has been developed. Using this procedure, a variety of nitriles could be smoothly transformed into the desired primary amides… read more here.

Keywords: amides hydrolysis; flow synthesis; synthesis primary; hydrolysis nitriles ... See more keywords
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Development and Utilization of a Palladium-Catalyzed Dehydration of Primary Amides To Form Nitriles

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Published in 2018 at "Organic Letters"

DOI: 10.1021/acs.orglett.8b02422

Abstract: A palladium(II) catalyst, in the presence of Selectfluor, enables the efficient and chemoselective transformation of primary amides into nitriles. The amides can be attached to aromatic rings, heteroaromatic rings, or aliphatic side chains, and the… read more here.

Keywords: palladium catalyzed; utilization palladium; primary amides; dehydration ... See more keywords

Site-Selective C–H/C–N Activation by Cooperative Catalysis: Primary Amides as Arylating Reagents in Directed C–H Arylation

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Published in 2017 at "ACS Catalysis"

DOI: 10.1021/acscatal.7b02540

Abstract: Direct C–H arylation of nonacidic C(sp2)–H bonds with primary amides as arylating reagents via highly chemoselective C–H/C–N/C–C cleavages has been accomplished for the first time. The key to the success is the cooperative combination of… read more here.

Keywords: arylating reagents; amides arylating; catalysis; arylation ... See more keywords
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Efficient New Protocols for Converting Primary Amides into Nitriles Initiated by P(NMe2)3, PCl3, or P(OPh)3

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Published in 2018 at "ACS Omega"

DOI: 10.1021/acsomega.8b00544

Abstract: Three efficient and high-yielding procedures have been developed for the conversion of primary amides into nitriles, mediated by hitherto unexplored P(NMe2)3, PCl3, or P(OPh)3. The reactions were conducted under operationally simple and mild conditions and… read more here.

Keywords: efficient new; pcl3 oph; nme2 pcl3; amides nitriles ... See more keywords
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Reversible Twisting of Primary Amides via Ground State N-C(O) Destabilization: Highly Twisted Rotationally Inverted Acyclic Amides.

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Published in 2018 at "Journal of the American Chemical Society"

DOI: 10.1021/jacs.7b11309

Abstract: Since the seminal studies by Pauling in 1930s, planarity has become the defining characteristic of the amide bond. Planarity of amides has central implications for the reactivity and chemical properties of amides of relevance to… read more here.

Keywords: reversible twisting; bond; amides reversible; primary amides ... See more keywords
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Primary amides to amines or nitriles: a dual role by a single catalyst.

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Published in 2019 at "Chemical communications"

DOI: 10.1039/c9cc05856g

Abstract: We report a manganese-catalyzed hydrosilylative reduction of various primary amides to amines (25 examples). On simple modification of the reaction conditions such as in the presence of a catalytic amount of secondary amide, the same… read more here.

Keywords: nitriles dual; amines nitriles; single catalyst; amides amines ... See more keywords
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Bicyclic (alkyl)(amino)carbene (BICAAC) in a dual role: activation of primary amides and CO2 towards catalytic N-methylation

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Published in 2023 at "Chemical Science"

DOI: 10.1039/d3sc01216f

Abstract: Herein, we report the first catalytic methylation of primary amides using CO2 as a C1 source. A bicyclic (alkyl)(amino)carbene (BICAAC) exhibits dual role by activating both primary amide and CO2 to carry out this catalytic… read more here.

Keywords: alkyl amino; amino carbene; carbene bicaac; primary amides ... See more keywords