Articles with "titanium complexes" as a keyword



Investigation on terpolymer of ethylene/propylene/ω-bromo-α-olefins catalyzed by titanium complexes

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Published in 2017 at "Journal of Materials Science"

DOI: 10.1007/s10853-017-0834-y

Abstract: Polyolefins with polar groups exhibited many applications as high-performance materials have been the subject of considerable research. In this study, terpolymers of ω-bromo-α-olefins with ethylene and propylene were synthesized in the presence of three multi-chelated… read more here.

Keywords: bromo; ethylene propylene; bromo olefins; titanium complexes ... See more keywords

Synthesis, characterization, DNA-binding and biological studies of novel titanium (IV) complexes

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Published in 2020 at "Journal of Chemical Sciences"

DOI: 10.1007/s12039-020-01843-9

Abstract: Abstract A series of novel binuclear titanium (IV) complexes, [Ti(sal)L I–V (OBu)(μ-OBu)] 2 , was synthesized by the reaction of salicylic acid (H 2 sal) and substituted indoles (L I  = Tryptophol, L II  = 5-Methoxyindole, L… read more here.

Keywords: dna; titanium; titanium complexes; dna binding ... See more keywords

Carbon nanotubes functionalized with titanium complexes for hexavalent chromium adsorption: An ab initio approach

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Published in 2017 at "Computational and Theoretical Chemistry"

DOI: 10.1016/j.comptc.2017.05.017

Abstract: Abstract This work presents an original study of the structural and electronic properties of doped single-walled carbon nanotubes (SWCNT) through titanium complexes and the possibility of adsorption and reduction of hexavalent chromium Cr(VI) using density… read more here.

Keywords: adsorption; carbon nanotubes; titanium complexes; hexavalent chromium ... See more keywords

Intramolecular hydroamination of trisubstituted aminoallenes catalyzed by titanium complexes of diaryl substituted tridentate imine-diols

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Published in 2021 at "Polyhedron"

DOI: 10.1016/j.poly.2021.115070

Abstract: Abstract Our laboratory has developed catalysts based on earth abundant titanium for asymmetric reactions including intramolecular hydroamination. Previously, we showed that titanium complexes of imine diol ligands showed improved enantioselectivity relative to complexes with bidentate… read more here.

Keywords: diaryl substituted; titanium complexes; intramolecular hydroamination; hydroamination ... See more keywords

Titanium Complexes of Salicylbenzoxazole and Salicylbenzothiazole Ligands for the Ring-Opening Polymerization of ε-Caprolactone and Substituted ε-Caprolactones and Their Copolymerizations.

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Published in 2022 at "Inorganic chemistry"

DOI: 10.1021/acs.inorgchem.2c00577

Abstract: Two series of titanium complexes, including salicylbenzoxazole titanium complexes (1-4) and salicylbenzothiazole titanium complexes (5-8), were successfully synthesized and characterized by NMR spectroscopy, elemental analysis, and X-ray diffraction crystallography (for 2 and 5). The 1H… read more here.

Keywords: caprolactone; opening polymerization; titanium; titanium complexes ... See more keywords

Syntheses, Characterization, and Multifaceted Coordination Chemistry of Hydrazonido Titanium Complexes

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Published in 2024 at "Inorganic Chemistry"

DOI: 10.1021/acs.inorgchem.3c04301

Abstract: The reaction of hydrazones with bis(π–η5:σ–η1-pentafulvene)titanium complexes leads to both hydrazonido and hydrazido complexes depending on the interaction of the hydrazone with the fulvene ligand of the metal complex. The molecular structures mostly reveal κ2N,N… read more here.

Keywords: chemistry; titanium complexes; deprotonation; hydrazonido ... See more keywords

Fluctuating Behavior and Ligand-Dependent Reactivity of Isocyanates with Bis(pentafulvene)titanium Complexes

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Published in 2025 at "Inorganic Chemistry"

DOI: 10.1021/acs.inorgchem.5c00947

Abstract: Reactions of bis(π-η5:σ-η1-pentafulvene)titanium complexes with isocyanates result in selective insertions of either one or two equivalents of RNCO into the two frustrated Ti–Cexo bonds under mild conditions. Depending on the pentafulvene ligand, K1 O- and… read more here.

Keywords: titanium; titanium complexes; bis pentafulvene; ligand ... See more keywords
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Synthesis, Crystal Structures, and Magnetic and Electrochemical Properties of Highly Phenyl Substituted Trinuclear 5,6,11,12,17,18-Hexaazatrinaphthylene (HATNPh6)-Bridged Titanium Complexes.

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Published in 2018 at "Inorganic chemistry"

DOI: 10.1021/acs.inorgchem.8b01728

Abstract: Trinuclear titanium complexes coordinated by one ligand with three coordination sites have shown properties of mixed valency and a high number of reversible redox steps. Herein we report on the hexaphenyl-substituted derivative (Cp2Ti)3(μ3-HATNPh6) (2). On… read more here.

Keywords: structures magnetic; magnetic electrochemical; crystal structures; titanium ... See more keywords
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Highly Active Dinuclear Titanium(IV) Complexes for the Catalytic Formation of a Carbon-Heteroatom Bond.

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Published in 2018 at "Inorganic chemistry"

DOI: 10.1021/acs.inorgchem.8b01766

Abstract: A series of mononuclear titanium(IV) complexes with the general composition κ3-[R{NHPh2P(X)}2Ti(NMe2)2] [R = C6H4, X = Se (3b); R = trans-C6H10, X = S (4a), Se (4b)] and [{κ2-N(PPh2Se)2}2Ti(NMe2)2] (6b) and two dinuclear titanium(IV) complexes,… read more here.

Keywords: dinuclear titanium; bond; highly active; titanium ... See more keywords

Titanium Catalysts with Linked Indenyl–Amido Ligands for Hydroamination and Hydroaminoalkylation Reactions

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Published in 2018 at "Organometallics"

DOI: 10.1021/acs.organomet.8b00332

Abstract: Titanium complexes containing a bridging indenylethylamido ligand have been synthesized and used as catalysts for hydroamination and hydroaminoalkylation reactions. All dichloro titanium complexes (η5:η1-Ind-C2H4-NR)TiCl2 (R = i-Pr (2a), t-Bu (2b), Cy (2c), Ph (2d)), which… read more here.

Keywords: hydroaminoalkylation reactions; ind c2h4; complexes ind; titanium ... See more keywords

Syntheses, Characterization, and Redox Activity of Ferrocene-Containing Titanium Complexes

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Published in 2024 at "ACS Omega"

DOI: 10.1021/acsomega.4c04332

Abstract: The chemistry of bis(π–η5:σ–η1-pentafulvene)titanium complexes is characterized by a broad range of E–H activation and Ti–C functionalization reactions, whereas ferrocene derivatives are easily accessible and redox-active compounds. The reaction of ferrocenealdehyde and -ketones with bis(π–η5:σ–η1-pentafulvene)titanium… read more here.

Keywords: reaction; titanium; titanium complexes; ferrocene ... See more keywords