| 摘要 |
The invention relates to compounds of the general formula I <IMAGE> in which X is chlorine, bromine or optionally substituted hydroxyl or mercapto, R is hydrogen, C1- to C4-alkyl or a radical which can be introduced by electrophilic substitution, R<1> is hydrogen, acyl or optionally substituted alkyl, cycloalkyl or alkenyl, R<2> is hydrogen or optionally substituted alkyl or alkenyl, R<1> and R<2>, together with the nitrogen, are a saturated heterocycle and R<1> and R<2> together are a radical of the formula <IMAGE> Depending on the constitution, the compounds according to the invention are suitable as diazo and/or coupling components or generally as dye intermediates. |
