Dinitration-coupling procedure for the production of azulene-1-azo-(4 '-nitrobenzenes)

Authors
Razus, AC Birzan, L Nae, S Nitu, C Campeanu, V
Citation
Ac. Razus et al., Dinitration-coupling procedure for the production of azulene-1-azo-(4 '-nitrobenzenes), REV CHIM, 52(4), 2001, pp. 188-192
Citations number
14
Categorie Soggetti
Chemical Engineering
Journal title
REVISTA DE CHIMIE
ISSN journal
00347752 → ACNP
Volume
52
Issue
4
Year of publication
2001
Pages
188 - 192
Database
ISI
SICI code
0034-7752(200104)52:4<188:DPFTPO>2.0.ZU;2-H
Abstract
Some new substituted azulene-1-azo-(4'-nitrobenzenes) were synthesised usin g the nitrozation in concentrated sulphuric acid. The mechanism of the nitr ozation is discussed suggesting the generation of sulfamic acid as intermed iate. The obtained compounds are completely characterised.