Xy. Wang et al., A simple, efficient phase-transfer catalyzed method for preparing symmetrical azobenzenes from anilines, I J CHEM B, 39(7), 2000, pp. 545-547
Citations number
17
Categorie Soggetti
Organic Chemistry/Polymer Science
Journal title
INDIAN JOURNAL OF CHEMISTRY SECTION B-ORGANIC CHEMISTRY INCLUDING MEDICINAL CHEMISTRY
Using 2,4,6-tri-tert-butylphenol as catalyst, the phase transfer catalyzed
oxidation of anilines to symmetrical azobenzenes is described for the first
time. The ease of oxidation coincides with the Hammett substituent constan
ts. This report offers an efficient and rapid method to prepare azobenzenes
. A possible mechanism involving free radical oxidation is also suggested.