Issue 90, 2020

Mechanistic insight into initiation and regioselectivity in the copolymerization of epoxides and anhydrides by Al complexes

Abstract

Pentacoordinate Al catalysts comprising bipyridine (bpy) and phenanthroline (phen) backbones were synthesized and their catalytic activity in epoxide/anhydride copolymerization was investigated and compared to (t-Busalph)AlCl. Stoichiometric reactions of tricyclic anhydrides with Al alkoxide complexes produced ring-opened products that were characterized by NMR spectroscopy, mass spectrometry, and X-ray crystallography, revealing key regio- and stereochemical aspects.

Graphical abstract: Mechanistic insight into initiation and regioselectivity in the copolymerization of epoxides and anhydrides by Al complexes

Supplementary files

Article information

Article type
Communication
Submitted
19 Aug 2020
Accepted
19 Oct 2020
First published
25 Oct 2020

Chem. Commun., 2020,56, 14027-14030

Author version available

Mechanistic insight into initiation and regioselectivity in the copolymerization of epoxides and anhydrides by Al complexes

Y. Popowski, J. J. Moreno, A. W. Nichols, S. L. Hooe, C. J. Bouchey, N. P. Rath, C. W. Machan and W. B. Tolman, Chem. Commun., 2020, 56, 14027 DOI: 10.1039/D0CC05652A

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