Wallach transformation

Wallach transformation

[′wäl·ək ‚tranz·fər‚mā·shən]
(organic chemistry)
By the use of concentrated sulfuric acid, an azoxybenzene is converted into a para-hydroxyazobenzene.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.