Abstract
Heating of imidazolyl- and phenylazo-naphthols in acetic acid in the presence of p-toluenesulfonic acid and dimethylaniline yields imidazolyl- and phenyl-(p-dimethylamino)azobenzenes, which suggests the intermediacy of the corresponding diazo compounds.
References
1.
Clusius K., Weisser H.R.
Helvetica Chimica Acta,
1952
2.
Jermini C., Koller S., Zollinger H.
Helvetica Chimica Acta,
1970
3.
10.1070/MC1998v008n05ABEH001024_bib3
Shegal
Khim. Geterotsikl. Soedin.,
1972
4.
10.1070/MC1998v008n05ABEH001024_bib4
Bednyagina
Khim. Geterotsikl. Soedin.,
1977
5.
10.1070/MC1998v008n05ABEH001024_bib5
Buzikin
Zh. Org. Khim.,
1983
6.
Horton J.K., Stevens M.F.
Journal of the Chemical Society Perkin Transactions 1,
1981
7.
10.1070/MC1998v008n05ABEH001024_bib7
Knoevenagl
J. Am. Chem. Soc.,
1917