The Chemical Educator
ISSN: 1430-4171 (electronic version)
Abstract Volume 9
Issue 2 (2004) pp 89-90
Preparation of Azo Dyes from Sulfanilamide
Kathleen Alfare,† David Lee,† Eric Scharrer,‡ and Scott A. Van Arman*,†
†Department of Chemistry, Franklin and Marshall College, Lancaster,
PA 17604-3003, email@example.com and ‡Department of Chemistry,
University of Puget Sound, Tacoma, WA 98416
Published online: 9 March 2004
Abstract. A synthesis of a library of potential antibiotic azo dyes is described starting ultimately from aniline and directly from sulfanilamide. The procedure is analogous to that for the preparation of the historically important antibiotic azo dye, Prontosil.
Key Words: Laboratories and Demonstrations; organic chemistry; organic synthesis; dyes; drugs; bismuth
(*) Corresponding author. (E-mail: firstname.lastname@example.org)
Detailed instructions for students, including safety warnings, and instructor’s notes, which include suggestions for recrystallization of the products, are available in a Zip file as supporting material (146 KB).
Issue date: April