Method for producing 4-hydroxy-3-nitrobiphenyl
The present invention relates to a process for preparing 4-hydroxy-3-nitrobiphenyl from 4-hydroxybiphenyl by selectively nitrating in the position adjacent to the phenolic hydroxyl group. A process is provided for preparing 4-hydroxy-3-nitrobiphenyl from 4-hydroxy-biphenyl by nitrating in the positi...
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| Format: | Patent |
| Sprache: | eng |
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| Zusammenfassung: | The present invention relates to a process for preparing 4-hydroxy-3-nitrobiphenyl from 4-hydroxybiphenyl by selectively nitrating in the position adjacent to the phenolic hydroxyl group.
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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