Verfahren zur Herstellung von als optische Aufheller verwendbaren Azolverbindungen

The invention comprises compounds of the formula and the production of compounds of the formula where R is a 4,41-stilbene radical, A is an o-phenylene radical and X is 0 or 5, by heating HOOC-R-COOH with HX-A-NH2.(HCl)m (where m is 0 or 1) and a halogenating agent capable of converting COOH to ac...

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Schlagworte:	BLEACHING LEATHER OR FURS CHEMISTRY 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 TEXTILES TREATMENT OF TEXTILES OR THE LIKE
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creator	SIGMUND BLOOM,MELVIN
description	The invention comprises compounds of the formula and the production of compounds of the formula where R is a 4,41-stilbene radical, A is an o-phenylene radical and X is 0 or 5, by heating HOOC-R-COOH with HX-A-NH2.(HCl)m (where m is 0 or 1) and a halogenating agent capable of converting COOH to acid halide, e.g. POCl3, to form an intermediate condensation product, and then refluxing to form the product. A solvent may be used, e.g. 1,2,4-trichlorobenzene. Both R and/or A may be substituted; many possible substituents are given. In examples, X is 0 or S and R and A are unsubstituted; and X is 0, R is unsubstituted, and A is phenyl-substituted. The products may be mixed with soaps or detergents for increasing fabric brightness or whiteness.
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A solvent may be used, e.g. 1,2,4-trichlorobenzene. Both R and/or A may be substituted; many possible substituents are given. In examples, X is 0 or S and R and A are unsubstituted; and X is 0, R is unsubstituted, and A is phenyl-substituted. 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A solvent may be used, e.g. 1,2,4-trichlorobenzene. Both R and/or A may be substituted; many possible substituents are given. In examples, X is 0 or S and R and A are unsubstituted; and X is 0, R is unsubstituted, and A is phenyl-substituted. 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A solvent may be used, e.g. 1,2,4-trichlorobenzene. Both R and/or A may be substituted; many possible substituents are given. In examples, X is 0 or S and R and A are unsubstituted; and X is 0, R is unsubstituted, and A is phenyl-substituted. The products may be mixed with soaps or detergents for increasing fabric brightness or whiteness.</abstract><oa>free_for_read</oa></addata></record>
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subjects	BLEACHING LEATHER OR FURS CHEMISTRY 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 TEXTILES TREATMENT OF TEXTILES OR THE LIKE
title	Verfahren zur Herstellung von als optische Aufheller verwendbaren Azolverbindungen
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