Visible light-regulated organocatalytic ring-opening polymerization of lactones by harnessing excited state acidity?

Polymer Chemistry Pub Date: 2021-01-08 DOI: 10.1039/D0PY01715A

Abstract

A visible light-regulated organocatalytic ring-opening polymerization of lactones has been developed by harnessing the excited state acidity of aromatic alcohol photocatalysts. Commercially available 1-hydroxypyrene (PyOH) is identified as an efficient organic photocatalyst, which afforded excellent control on the polymerization, a reversible activity mediation by light, and the well-defined polyester products with predictable molecule mass and narrow dispersity.

Graphical abstract: Visible light-regulated organocatalytic ring-opening polymerization of lactones by harnessing excited state acidity
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