NEW NITRATED DYES, METHOD OF PREPARATION THEREOF FOR THE PREPARATION THEREOF USED INTERMEDIATE COMPOUNDS AND THE APPLICATION OF THESE DYES FOR DYEING KERATINISCHE fibers.

摘要

P novel dyes nitres, their process of preparation and their use in dyeing the subject-matter. / p & & p & compounds having the general formula: & br / (see appended drawing in bopi) & br / in which r is of the 1996, an alkyl radical inferior, hydroxyalkyl or polyhydroxyalkyl inferior, or an alkyl, hydroxyalkyl or polyhydroxyalkyl, in which the alkyl chain is interrupted by one or more heteroatoms such as oxygen. / p & & p & the compounds of the invention are used in dyeing compositions and lotions and make it possible to obtain shades very powerful. / p