摘要 |
The present invention relates to novel 2,5-bis{[alkyl(or aryl)imino]aminophenyl}furans and thiophenes of the general formula in which R<SUB>1</SUB>, R<SUB>2</SUB>, R<SUB>3 </SUB>and R<SUB>4 </SUB>are each independently selected from the group consisting of H, alkyl, alkoxy, halide, and alkylhalide groups; R<SUB>5 </SUB>is H, alkyl or aryl; R<SUB>6 </SUB>is H, alkyl, aryl, or NR<SUB>7</SUB>R<SUB>8</SUB>, in which R<SUB>7 </SUB>and R<SUB>8 </SUB>are each independently selected from the group consisting of H, alkyl and aryl; and X is O, S or NR<SUB>9</SUB>, in which R<SUB>9 </SUB>is H or alkyl, and to the use of such compounds.
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