A group —NO2, attached to an organic group in a molecule.
- Dyes are prepared by a nitration addition reaction to aniline, followed by reduction of the nitro group using sodium sulfide.
- The most widely used method of preparing aromatic amines, for example, involves a nitration of the aromatic ring and subsequent conversion of the nitro group to an amino group.
- Accumulation of nitrotyrosine, a stable product of the addition of a nitro group to the benzene ring of tyrosine by peroxynitrite is thus a stable marker of pathology within cells and tissue lesions.
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