Two classes of highly reducing organic photoredox catalysts, N,N' diaryl phenazines and N-aryl phenoxazines have been synthesized and employed in organocatalyzed atom transfer radical polymerization (ATRP) for the production of well-defined polymers using visible light. The redox potentials and absorption profiles are readily tuned allowing us to gain further insight into the polymerization mechanism and achieve greater control over the polymerization for the synthesis of macromolecules with predictable molecular weights and low dispersities.

Organocatalyzed atom transfer radical polymerization via photoredox catalysis

253rd National Meeting (2017)

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