Results 11 to 20 of about 5,486 (323)

Microwave assisted one pot synthesis of 2-alkyl amino benzimidazoles, 2-alkyl amino benzoxazoles and 2-alkyl amino benzthiazoles by using various carbodiimides

open access: yesResults in Chemistry, 2022
A library of bioisosteres namely 2-amino substituted benzimidazole, 2-amino substituted benzoxazole, 2-amino substituted benzthiazole derivatives has been synthesized by an efficient ligand free, zinc catalysed one-pot cascade microwave irradiation ...
Thirupathi Rapolu   +4 more
doaj   +1 more source

Cobalt-Catalyzed Cyclization of 2-Bromobenzamides with Carbodiimides: A New Route for the Synthesis of 3-(Imino)isoindolin-1-ones

open access: yesMolecules, 2021
A novel synthetic pathway to approach 3-(imino)isoindolin-1-ones by the Co-catalyzed cyclization reaction of 2-bromobenzamides with carbodiimides has been developed. This catalytic reaction can tolerate a variety of substituents and provide corresponding
Hasil Aman   +6 more
doaj   +1 more source

Synthesis of Chromium(II) Complexes with Chelating Bis(alkoxide) Ligand and Their Reactions with Organoazides and Diazoalkanes

open access: yesMolecules, 2020
Synthesis of new chromium(II) complexes with chelating bis(alkoxide) ligand [OO]Ph (H2[OO]Ph = [1,1′:4′,1′’-terphenyl]-2,2′’-diylbis(diphenylmethanol)) and their subsequent reactivity in the context of catalytic ...
Sudheer S. Kurup   +3 more
doaj   +1 more source

Influence of copper(I) halides on the reactivity of aliphatic carbodiimides [PDF]

open access: yes, 2020
Carbodiimides are widely exploited in organic synthesis, and the reactivity of these compounds can be enhanced by the addition of copper(I) halides to the reaction medium.
Marco Bortoluzzi, Valentina Ferraro
core   +2 more sources

Insights on Chemical Crosslinking Strategies for Proteins

open access: yesMolecules, 2022
Crosslinking of proteins has gained immense significance in the fabrication of biomaterials for various health care applications. Various novel chemical-based strategies are being continuously developed for intra-/inter-molecular crosslinking of proteins
Brindha Jayachandran   +4 more
doaj   +1 more source

Amination of 5-Spiro-Substituted 3-Hydroxy-1,5-dihydro-2H-pyrrol-2-ones

open access: yesMolecules, 2021
The 3-hydroxy-1,5-dihydro-2H-pyrrol-2-one motif is a valuable scaffold in drug discovery. The replacement of the 3-oxy fragment in 3-hydroxy-1,5-dihydro-2H-pyrrol-2-ones-based compounds with a 3-amino one (3-amino analogs of 3-hydroxy-1,5-dihydro-2H ...
Ekaterina E. Khramtsova   +4 more
doaj   +1 more source

ROTf-induced annulation of heteroatom reagents and unsaturated substrates leading to cyclic compounds [PDF]

open access: yesRoyal Society Open Science, 2018
The development of metal-free organic reactions is one of the hotspots in the synthesis of cyclic compounds. ROTf (alkyl trifluoromethanesulfonates), due to their good electrophilicity, are powerful alkylating reagents at heteroatoms such as nitrogen ...
Song Zou, Sheng Wang, Chanjuan Xi
doaj   +1 more source

Les carbodiimides et cyanamides, une nouvelle famille de matériaux d'électrodes pour batteries Li-ion

open access: green, 2019
Li-ion batteries are currently the most common choice for all portable electronic devices but also for hybrid electric vehicles and renewable energy sectors. At present, graphite is routinely employed as the anode material for Li-ion-batteries due to its
Arayamparambil, Jeethu Jiju
core   +2 more sources

Synthesis of 1,4-benzothiazinones from acylpyruvic acids or furan-2,3-diones and o-aminothiophenol

open access: yesBeilstein Journal of Organic Chemistry, 2020
Two synthetic approaches to enaminones fused to 1,4-benzothiazin-2-one moiety, which can be interesting in studies on biological activity, chemosensors, and fluorescence, were developed via the reaction of furan-2,3-diones or acylpyruvic acids in the ...
Ekaterina E. Stepanova   +2 more
doaj   +1 more source

Magnetic silica particles functionalized with guanidine derivatives for microwave-assisted transesterification of waste oil

open access: yesScientific Reports, 2021
This study aimed to develop a facile synthesis procedure for heterogeneous catalysts based on organic guanidine derivatives superbases chemically grafted on silica-coated Fe3O4 magnetic nanoparticles.
Petre Chipurici   +10 more
doaj   +1 more source

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