BENZIMIDAZOL

The novel benzimidazoles have the formula in which A is the radical +TR R1 is cyanomethyl, 1-cyanoethyl or, if n is the number 1, also 2-cyanoethyl or C3-6-carboalkoxymethyl, R2 is C1-4-alkyl or C3-4-alkenyl, R3 is cyanomethyl, cyanoethyl or C3-6-carboalkoxymethyl, R4 and R5 independently of one ano...

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Bibliographische Detailangaben
1. Verfasser:	HANSU RUDORUFU MEIYAA
Format:	Patent
Sprache:	eng
Schlagworte:	BLEACHING LEATHER OR FURS CHEMISTRY COMPOSITIONS BASED THEREON DRY-CLEANING, WASHING OR BLEACHING FIBRES, FILAMENTS, THREADS,YARNS, FABRICS, FEATHERS OR MADE-UP FIBROUS GOODS FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR HETEROCYCLIC COMPOUNDS LAUNDERING METALLURGY ORGANIC CHEMISTRY ORGANIC MACROMOLECULAR COMPOUNDS TEXTILES THEIR PREPARATION OR CHEMICAL WORKING-UP TREATMENT OF TEXTILES OR THE LIKE USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES ASCOMPOUNDING INGREDIENTS
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Beschreibung
Zusammenfassung:	The novel benzimidazoles have the formula in which A is the radical +TR R1 is cyanomethyl, 1-cyanoethyl or, if n is the number 1, also 2-cyanoethyl or C3-6-carboalkoxymethyl, R2 is C1-4-alkyl or C3-4-alkenyl, R3 is cyanomethyl, cyanoethyl or C3-6-carboalkoxymethyl, R4 and R5 independently of one another are hydrogen or chlorine, X(-) is a colorless anion of an organic or inorganic acid and n is the number 0 or 1. They are used for the fluorescent brightening of organic materials.