BENZOFURANYL-BENZIMIDAZOLES, PROCESS FOR THEIR PREPARATION AND THEIR USE IN THE OPTICAL BLEACHING OF ORGANIC MATERIALS
1. Benzofuranyl-benzimidazoles of the formula see diagramm : EP0011824,P10,F1 in which X1 denotes hydrogen, C1 -C4 alkyl, chlorine or C1 -C4 alkylsulphonyl, X2 denotes hydrogen, C1 -C4 alkyl, phenyl or benzyl, and protonation and quaternisation products thereof.
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Zusammenfassung: | 1. Benzofuranyl-benzimidazoles of the formula see diagramm : EP0011824,P10,F1 in which X1 denotes hydrogen, C1 -C4 alkyl, chlorine or C1 -C4 alkylsulphonyl, X2 denotes hydrogen, C1 -C4 alkyl, phenyl or benzyl, and protonation and quaternisation products thereof. |
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