Special Organic Chemistry Lecture

Wednesday, March 20, 2024 at 4:00pm to 5:00pm

Building 4, 370
182 MEMORIAL DR (REAR), Cambridge, MA 02139

Redshifting Photoredox Catalysis

Tomislav Rovis
Colombia University

Refreshments will be served in lobby of building 18 @ 3:45 before the lecture.
Visible light irradiation covers a range of wavelengths that corresponds to 40-70 kcal/mol of energy. While blue and purple light is most common and enabling, the use of these wavelengths has limitations with respect to substrate scope and material penetration. We have developed a suite of Os-based catalysts that undergo spin forbidden excitation directly to the triplet state in the deep red (DR) and near infrared (NIR) range, facilitating low energy excitation for photoredox catalysis. Catalyst discovery, synthetic applications and biological imaging will be discussed.

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Organic Chemistry

Department of Chemistry
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