Method for preparing 1,2-dibromo-2,4-dicyanobutane

Method for preparing 1,2-dibromo-2,4-dicyanobutane by reacting 2-methyleneglutaronitrile with bromine in an alcoholic solvent at a temperature of about 25° C. to 65° C. and isolating the product in one unit operation without color or odor problems and in high yields.

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Hauptverfasser: STIFFLER CLETIS, NIGAM SATISH C
Format: Patent
Sprache:eng
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Zusammenfassung:Method for preparing 1,2-dibromo-2,4-dicyanobutane by reacting 2-methyleneglutaronitrile with bromine in an alcoholic solvent at a temperature of about 25° C. to 65° C. and isolating the product in one unit operation without color or odor problems and in high yields.