PROCESS FOR THE PREPARATION OF DIPHENYL BASES
1. A process for the manufacture of hydrochloric acid salts of diphenyl bases by rearrangement of the corresponding hydrazoaromatic compounds with hydrochloric acid in water-immiscible aromatic solvents, characterized by that gaseous hydrogen chloride is introduced in admixture with steam and an ine...
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| Format: | Patent |
| Sprache: | eng ; ger |
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| Zusammenfassung: | 1. A process for the manufacture of hydrochloric acid salts of diphenyl bases by rearrangement of the corresponding hydrazoaromatic compounds with hydrochloric acid in water-immiscible aromatic solvents, characterized by that gaseous hydrogen chloride is introduced in admixture with steam and an inert gas to the solution of the hydrazo compound in the aromatic solvent. |
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