DOAJ Open Access 2017

Synthesis, Characterization of Zinc Complexes with Neutral α-Diimine Ligands and Application in Ring-opening Polymerization of ε-Caprolactone

Xiaodan Wang Xuehong Liu Ju Huang

Abstrak

A series of neutral α-diimine ligands with diacetyl and acenaphthenequinone skeletons were prepared by the reaction between diacetyl and the corresponding aromatic amine. These ligands reacted with ZnCl₂ to generate symmetric α-diimine zinc complexes C1–C10. Experimental results indicated that the α-diimine zinc complexes with a diacetyl skeleton (C1–C4) were active in ring-opening polymerization (ROP) of ε-caprolactone (ε-CL). The complexes with an acenaphthenequinone skeleton showed a small steric effect (C5, C8 and C9) but the complex substituted with an electron-withdrawing group (C10) showed high activity in the monomer conversion rate during ROP of ε-CL. The ROP catalysts of ?-CL demonstrated the mechanism of monomer activation in the presence of benzyl alcohol.

Topik & Kata Kunci

Chemistry

Penulis (3)

Xiaodan Wang

Xuehong Liu

Ju Huang

Format Sitasi

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Wang, X., Liu, X., Huang, J. (2017). Synthesis, Characterization of Zinc Complexes with Neutral α-Diimine Ligands and Application in Ring-opening Polymerization of ε-Caprolactone. https://doi.org/10.2533/chimia.2017.773

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Informasi Jurnal

Tahun Terbit: 2017
Sumber Database: DOAJ
DOI: 10.2533/chimia.2017.773
Akses: Open Access ✓