Abstract: The invention relates to novel nitroenamines of formula I ##STR1## wherein R.sub.1 is dialkylamino, alkoxy, alkenyloxy, alkoxyalkyl, alkylthioalkyl, alkoxycarbonylamino, aralkoxy, 2-thiazolyl, or an unsubstituted or substituted radical from the series alkyl, alkenyl, alkynyl, cycloalkyl, aralkyl and heteroarylalkyl, R.sub.2 is nitro, cyano, hydroxy, or an unsubstituted or substituted radical from the series alkyl, cycloalkyl, alkenyl, alkynyl, aralkyl, alkoxycarbonyl, amino, dialkylamino, alkylcarbonyl, alkoxycarbonyl, alkylcarbonylamino, alkoxycarbonylamino, alkylcarbonyloxy and pyridinylmethyl, R.sub.3 is alkyl, cycloalkyl, or an unsubstituted or substituted pyridinylmethyl radical, and R.sub.4 is alkyl or cycloalkyl, including the salts of compounds of formula I, to a process for the preparation of these compounds, and to compositions containing these active ingredients and their use in pest control, especially for the control of insects.

Abstract: Chromium complex dyes which, in the form of the free acid, have the formula ##STR1## wherein Z is hydrogen, nitro, chlorine or naphthylazo or phenylazo, wherein naphthyl or phenyl is unsubstituted or substituted by nitro, chlorine, bromine, C.sub.1-5 -alkyl or C.sub.1-5 -alkoxy, A is naphthyl or phenyl containing the oxygen atom in o-position to the azomethine and wherein naphthyl or phenyl is unsubstituted or substituted by C.sub.1-5 -alkyl, halogen or naphthylazo or phenylazo wherein naphthyl or phenyl is unsubstituted or substituted by nitro, chlorine, bromine, C.sub.1-5 -alkyl or C.sub.1-5 -alkoxy, D is sulfophenyl which is unsubstituted or substituted by nitro or chlorine, or sulfonaphthyl which is unsubstituted or substituted by nitro, and is bonded to the azo group in the ortho-position to the oxygen atom and R is chloroacetyl, bromoacetyl, .alpha.-chloroacryloyl, .alpha.-bromoacryloyl, .alpha.,.beta.-dichloropropionyl, .alpha.,.beta.