Abstract
Herein, we report a series of highly active Al(iii)-complexes based on a novel hybrid ligand: the catalen. Their application in the production of polylactide under both solution, and industrially preferred melt conditions, is demonstrated. Potential structural diversification to broaden initiator scope is discussed.
Highlights
We report a series of highly active Al(III)-complexes based on a novel hybrid ligand: the catalen
Whilst plastics remain deeply embedded in modern day society, growing environmental concerns within industry has stimulated considerable research into renewable alternatives
Polylactide (PLA) has received significant commercial interest owing to its green credentials and ability to compete with existing petroleumbased plastics, within the packaging sector
Summary
We report a series of highly active Al(III)-complexes based on a novel hybrid ligand: the catalen. Whilst it is clear the field has developed significantly within the last 20 years, from a stereoselectivity standpoint, Al(III)complexes remain limited by their poor activity, often requiring elevated conditions (T 4 70 1C) and high catalyst loadings a Centre for Sustainable and Circular Technologies, University of Bath, Claverton Down, Bath, BA2 7AY, UK
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