Alpha and beta diimine cobalt complexes in isoprene polymerization: a comparative study

RSC Advances ◽  
2016 ◽  
Vol 6 (114) ◽  
pp. 113803-113814 ◽  
Author(s):  
Mohammed N. Alnajrani ◽  
Sultan A. Alshmimri ◽  
Omar A. Alsager
Keyword(s):  
Comparative Study ◽  
Cobalt Catalyst ◽  
Cobalt Complexes ◽  
Isoprene Polymerization

Isoprene was polymerized by diimine cobalt catalyst in the presence of DEAC to produce cis-1,4 and 3,4 polyisoprene.

One-pot synthesis of cobalt complexes with 2,6-bis(arylimino)phenoxyl/phenthioxyl ligands and catalysis on isoprene polymerization

2021 ◽  
Vol 50 (15) ◽  
pp. 5218-5225
Author(s):  
Xue-Meng Chen ◽  
Li-Cheng Huang ◽  
Wei Gao
Keyword(s):  
Mixed Valence ◽  
Cobalt Complexes ◽  
One Pot ◽  
One Pot Synthesis ◽  
Isoprene Polymerization

Several cobalt complexes supported by 2,6-bis(arylimino)phenoxyl/phenthioxyl ligands κ2N,X-Ar[NXN]CoCl(THF) were synthesized by direct oxygen(sulfur) insertion into the C–Co bond of the mixed-valence cobalt complexes {κ2C,N,η6-Ar[NCN]Co-κN-CoCl(μ-Cl)}2.

Synthesis of characteristic polyisoprenes using rationally designed iminopyridyl metal (Fe and Co) precatalysts: investigation of co-catalysts and steric influence on their catalytic activity

2020 ◽  
Vol 44 (19) ◽  
pp. 8076-8084 ◽  
Author(s):  
Wenhua Lin ◽  
Liping Zhang ◽  
Hongyi Suo ◽  
Arumugam Vignesh ◽  
Nighat Yousuf ◽  
...  
Keyword(s):  
Catalytic Activity ◽  
Cobalt Complexes ◽  
Co Catalysts ◽  
Isoprene Polymerization ◽  
Steric Influence

A series of iminopyridyl ligand-based iron and cobalt complexes are utilized as catalysts in isoprene polymerization, in which the microstructure of resultant polyisoprenes was investigated.

Bidentate forms of β-triketimines: syntheses, characterization and outstanding performance of enamine–diimine cobalt complexes in isoprene polymerization

2016 ◽  
Vol 45 (25) ◽  
pp. 10435-10446 ◽  
Author(s):  
Mohammed N. Alnajrani ◽  
Francis S. Mair
Keyword(s):  
Active Catalyst ◽  
Cobalt Complexes ◽  
Isoprene Polymerization

When a normally tridentate β-triketimine ligand binds to Co(ii) in a bidentate enamine–diimine form, is partnered with the weakly co-ordinating BArF anion and activated with ethylaluminiumsesquichoride, the most active catalyst yet found forcis-1,4-selective polymerization of isoprene results.

Cobalt complexes of tetradentate, bipyridine-based macrocycles: their structures, properties and photocatalytic proton reduction

2016 ◽  
Vol 45 (4) ◽  
pp. 1737-1745 ◽  
Author(s):  
E. Joliat ◽  
S. Schnidrig ◽  
B. Probst ◽  
C. Bachmann ◽  
B. Spingler ◽  
...  
Keyword(s):  
Cobalt Catalyst ◽  
Cobalt Complexes ◽  
Proton Reduction ◽  
New Type ◽  
Bipyridine Ligand

Photocatalytic proton reduction is demonstrated using a new type of cobalt catalyst with macrocyclic bis-bipyridine ligand frameworks, achieving turnover numbers up to 20 000 H2/Co.

scholarly journals (Chalcogen)semicarbazones and their cobalt complexes differentiate HL-60 myeloid leukaemia cells and are cytotoxic towards tumor cell lines

MedChemComm ◽  
2017 ◽  
Vol 8 (1) ◽  
pp. 103-111 ◽  
Author(s):  
Tamara R. Todorović ◽  
Jelena Vukašinović ◽  
Gustavo Portalone ◽  
Sherif Suleiman ◽  
Nevenka Gligorijević ◽  
...  
Keyword(s):  
Comparative Study ◽  
Tumor Cell ◽  
Myeloid Leukaemia ◽  
Cell Lines ◽  
Cobalt Complexes ◽  
Tumor Cell Lines

A comparative study of (chalcogen)semicarbazones and their cobalt complexes was performed.

Author response for "Laminar distribution of cortical projection neurons to the pulvinar: A comparative study in cats and mice"

2020 ◽  
Author(s):  
Bruno Oliveira Ferreira de Souza ◽  
Éve‐Marie Frigon ◽  
Robert Tremblay‐Laliberté ◽  
Christian Casanova ◽  
Denis Boire
Keyword(s):  
Comparative Study ◽  
Author Response ◽  
Projection Neurons ◽  
Cortical Projection ◽  
Laminar Distribution

Structural and functional properties of Escherichia coli-derived nucleoplasmin A comparative study of recombinant and natural proteins

2001 ◽  
Vol 268 (6) ◽  
pp. 1739-1748
Author(s):  
Aitor Hierro ◽  
Jesus M. Arizmendi ◽  
Javier De Las Rivas ◽  
M. Angeles Urbaneja ◽  
Adelina Prado ◽  
...  
Keyword(s):  
Escherichia Coli ◽  
Comparative Study ◽  
Functional Properties ◽  
Structural And Functional Properties
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