摘要 |
<p>The present invention relates to novel 2,5-bis{[alkyl (or aryl) imino] aminophenyl} furans and thiophenes of the general formula (I) in which R1, R2, R3 and R4 are each independently selected from the group consisting of H, alkyl, alkoxy, halide, and alkylhalide groups; R5 is H, alkyl or aryl; R6 is H, alkyl, aryl, or NR7R8, in which R7 and R8 are each independently selected from the group consisting of H, alkyl and aryl; and X is O, S or NR9, in which R9 is H or alkyl, and to the use of such compounds.</p> |