Method for producing 4-hydroxy-3-nitrobiphenyl

A process is provided for preparing 4-hydroxy-3-nitrobiphenyl from 4-hydroxy-biphenyl by nitrating in the position adjacent to the phenolic hydroxyl group in high selectivity and yield, and the nitric acid used as the nitrating reagent is metered into the reaction system in a specific manner.

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Bibliographische Detailangaben
Hauptverfasser: Dockner, Michael, Behre, Horst, Klausner, Alexander
Format: Patent
Sprache:eng
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Beschreibung
Zusammenfassung:A process is provided for preparing 4-hydroxy-3-nitrobiphenyl from 4-hydroxy-biphenyl by nitrating in the position adjacent to the phenolic hydroxyl group in high selectivity and yield, and the nitric acid used as the nitrating reagent is metered into the reaction system in a specific manner.