Jl. Grenier et al., AN EPR STUDY OF THE RADICALS ISSUED FROM NITROCATECHOLS AND NITROHYDROQUINONE - A NEW METHOD OF PRODUCTION OF NITROAROMATIC ANION-RADICALS, Journal de chimie physique et de physico-chimie biologique, 92(1), 1995, pp. 97-103
Nitrocatechols and nitrohydroquinone have been treated by means of sod
ium borohydride in oxygenated aqueous solution in a pH range between 9
to 12, and the EPR spectra have been recorded. In all cases, the nitr
oaromatic anion radical is observed. At pH=12, a semiquinonic radical
is observed in the case of nitrohydroquinone and 4-nitrocatechol.