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First-row early transition metal complexes with a highly sterically demanding triisopropylphenyl amino triphenolate ligand: synthesis and applications

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Abstract

Amino triphenolate ligands have been widely used for the synthesis of various transition metal complexes aiming at various applications such as ring-opening polymerization, olefin polymerization, and sulfoxidation. However, the introduction of highly sterically demanding aromatic substituents, such as triisopropylphenyl (TRIP), to the amino triphenolate ligand has not been previously reported probably due to the synthetic difficulty. In six-step reactions using commercial materials, a highly sterically demanding amino triphenolate ligand was successfully synthesized, and early transition metal complexes (Ti, V, Cr, Mn) supported by the ligand were also obtained and fully characterized. In addition, titanium and chromium complexes were further used for catalytic sulfoxidation, and polymerization of ethylene, respectively.

Graphical abstract: First-row early transition metal complexes with a highly sterically demanding triisopropylphenyl amino triphenolate ligand: synthesis and applications

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Publication details

The article was received on 31 Jan 2019, accepted on 25 Feb 2019 and first published on 26 Feb 2019


Article type: Paper
DOI: 10.1039/C9DT00456D
Citation: Dalton Trans., 2019, Advance Article

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    First-row early transition metal complexes with a highly sterically demanding triisopropylphenyl amino triphenolate ligand: synthesis and applications

    D. Y. Bae, G. S. Park, N. Ko, K. Son and E. Lee, Dalton Trans., 2019, Advance Article , DOI: 10.1039/C9DT00456D

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