Aluminium complexes containing indolyl-phenolate ligands as catalysts for ring-opening polymerization of cyclic esters

Chen, Chi‐Tien; Lai, Zi-Ling

doi:10.1039/d2ra05112e

RSC Adv.

2022

DOI: 10.1039/d2ra05112e

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Aluminium complexes containing indolyl-phenolate ligands as catalysts for ring-opening polymerization of cyclic esters

Chi‐Tien Chen

Zi-Ling Lai

Abstract: A series of aluminium indolyl phenolate complexes has been prepared and exhibited catalytic activities toward the ROP of cyclic esters in the presence of benzyl alcohol.

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2024

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Cited by 2 publications

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Five‐ or six‐membered aluminum metallocyclic complexes containing N, N bidentate oxazolinyl‐indolate chelate ring: Synthesis, structural, and catalytic studies

Chung,

Li,

Chen

et al. 2024

Applied Organom Chemis

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Treatment of two classes of oxazolinyl‐indolate ligand precursors with an equivalent trimethylaluminum reagent afforded four corresponding aluminum dimethyl complexes. Intramolecular functional groups were employed to switch coordination behaviors, resulting in the formation of two classes of five‐ or six‐membered aluminum metallocyclic complexes. The screening of the prepared aluminum complexes, mediated by 9‐anthracenemethanol as the initiating reagent in the ring‐opening polymerization of ε‐caprolactone, showed significant activities at room temperature. The aluminum compound ligated by 2‐(1H‐indol‐2‐yl)‐4,4‐dimethyl‐4,5‐dihydrooxazole possessed a suitable chelated ring size, and its intrinsic electronic properties maintained higher activity.

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Five‐ or six‐membered aluminum metallocyclic complexes containing N, N bidentate oxazolinyl‐indolate chelate ring: Synthesis, structural, and catalytic studies

Chung,

Li,

Chen

et al. 2024

Applied Organom Chemis

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Flexible NHC-aryloxido aluminum complex and its zwitterionic imidazolium aluminate precursor in ring-opening polymerization of ε-caprolactone

Goswami,

Mandal,

Sarkar

et al. 2024

Dalton Trans.

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Aluminium complexes containing indolyl-phenolate ligands as catalysts for ring-opening polymerization of cyclic esters

Abstract: A series of aluminium indolyl phenolate complexes has been prepared and exhibited catalytic activities toward the ROP of cyclic esters in the presence of benzyl alcohol.

Cited by 2 publications

References 59 publications

Five‐ or six‐membered aluminum metallocyclic complexes containing N, N bidentate oxazolinyl‐indolate chelate ring: Synthesis, structural, and catalytic studies

Five‐ or six‐membered aluminum metallocyclic complexes containing N, N bidentate oxazolinyl‐indolate chelate ring: Synthesis, structural, and catalytic studies

Flexible NHC-aryloxido aluminum complex and its zwitterionic imidazolium aluminate precursor in ring-opening polymerization of ε-caprolactone

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