| 摘要 |
<p>The invention relates to asymmetric 1/2 chromium complexes. The complexes according to the invention are of the general formula: <CHEM> in which M and M min are the same or different and each represent a hydrogen atom or one equivalent of a colourless cation, R1 represents a hydrogen atom or a methyl radical and R2 represents a phenyl, p-tolyl, o-, m- or p-chlorophenyl or dichloro-2,5-phenyl radical. These complexes are useful for the dyeing or printing of nitrogenous organic substrates and wood in red shades.</p> |
