High triplet yield phenothiazine donor-acceptor complexes for photoredox catalysis

US11905267B2 · kind B2 · utility

Assignees

• The Regents of the University of Colorado, a Body Corporate · US
• COLORADO STATE UNIVERSITY RESEARCH FOUNDATION · US

Inventors

• Steven Sartor · Boulder, US
• Niels Damrauer · Boulder, US
• Garet Miyake · Fort Collins, US
• Cameron Chrisman · Fort Collins, US
• Ryan Pearson · Berkeley, US

Key dates

• Filing date: Jan 8, 2021
• Grant date: Feb 20, 2024
• Expiry date: Jan 8, 2041

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C07D279/24
• WIPO field: Organic fine chemistry
• WIPO sector: Chemistry

Abstract

Phenothiazine compounds of Formula (I) are described herein. These compounds are useful as highly reducing organic photoredox catalysts. Suitable substrates for use with the compounds of Formula (I) include acrylates, styrene, acrylamides, acrylonitrile, vinyl chloride, methylacrylonitrile, vinyl acetate, and acrylic acid.