2-Nitrobenzaldehyde is an amoebic ambrosial admixture absolute a nitro accumulation ortho to formyl. 2-Nitrobenzaldehyde already was produced as an average in the amalgam of the accepted dye Indigo.
2-Nitrobenzaldehyde is an average in an aboriginal avenue to Indigo, a water-insoluble dye frequently acclimated to dye jeans and added fabrics. In the Baeyer-Drewson azure synthesis, 2-nitrobenzaldehyde condenses with acetone in basal aqueous tape-aid to crop azure in a one-pot synthesis. The adjustment was alone in the aboriginal allotment of the 20th century, getting replaced by routes from aniline.
Given its two almost acknowledging groups, 2-nitrobenzaldehyde is a abeyant starting actual for added compounds. Substituted 2-nitrobenzaldehydes can aswell be acclimated to crop added important compounds based on indigo, such as Azure carmine.
2-Nitrobenzaldehyde has been apparent to be a advantageous photoremovable attention accumulation for assorted funcionalities.