Written by J.A Dobado | Last Updated on September 15, 2025
What is Reed reaction?
The Reed reaction is a photochemical process that involves the sulfonation of paraffins and cycloparaffins by combining sulfur dioxide, SO2, and chlorine, Cl2, while under irradiation with ultraviolet (UV) light.

References
- C.F. Reed, “Method of halogenating compounds and product resulting therefrom” U.S. Patent US 2046090 (1933)
- C.F. Reed, “Detergent and method of making the same” U.S. Patent US 2174110 (1934)
- C.F. Reed, “Preparation of alkane sulphonyl chlorides” U.S. Patent US 2174492 (1938)
Full Professor of Organic Chemistry at the University of Granada, with a long-standing research career in Computational Chemistry and molecular modeling and design.