Verfahren zur Herstellung von Oxamid

1303324 Oxamide DEUTSCHE GOLDUND SILBER - SCHEIDEANSTALT 16 April 1970 [16 April 1969] 18184/70 Heading C2C Oxalic acid diamide (i.e. oxamide) is prepared by hydrolysing cyanogen with, water in the presence of a hydrogen halide in an organic solvent which is not an alcohol or a carboxylic acid or an...

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Hauptverfasser:	LUESSLING,THEODOR, THEISSEN,FERDINAND, WEIGERT,WOLFGANG
Format:	Patent
Sprache:	ger
Schlagworte:	ACYCLIC OR CARBOCYCLIC COMPOUNDS APPARATUS THEREFOR CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY CHEMISTRY DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL FIXED CONSTRUCTIONS FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES,FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS,BLINDS, GATES GENERAL METHODS OF ORGANIC CHEMISTRY LADDERS METALLURGY ORGANIC CHEMISTRY PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL THEIR RELEVANT APPARATUS TRANSPORTING
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Zusammenfassung:	1303324 Oxamide DEUTSCHE GOLDUND SILBER - SCHEIDEANSTALT 16 April 1970 [16 April 1969] 18184/70 Heading C2C Oxalic acid diamide (i.e. oxamide) is prepared by hydrolysing cyanogen with, water in the presence of a hydrogen halide in an organic solvent which is not an alcohol or a carboxylic acid or anhydride. The hydrolysis is preferably carried out at a temperature of from 0 to 120 C. and at a pressure of from 1 to 50 atms. The solvent is preferably one in which water is highly soluble such as a sulphone, ketone or ether or a mixture thereof.