MANUFACTURE OF AMINOMETHYLENE-2-AMINO-NAPHTHALENE-1-SULFONICACID

MANUFACTURE OF AMINOMETHYLENE-2-AMINO-NAPHTHALENE-1-SULFONICACID

1. Process for the preparation of naphthalene derivatives of the formula see diagramm : EP0158073,P3,F1 characterized in that naphthalene derivatives of the formula see diagramm : EP0158073,P3,F2 wherein R = H or acyl, are subjected to a condensation reaction with compounds of the formula see diagra...

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Bibliographische Detailangaben
Hauptverfasser: KARURU HAINTSU SHIYUNDEHIYUTSUTE, FURANKU MIHIYAERU SHIYUTEERU
Format: Patent
Sprache:eng
Schlagworte:
ACYCLIC OR CARBOCYCLIC COMPOUNDS
CHEMISTRY
METALLURGY
ORGANIC CHEMISTRY
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Beschreibung
Zusammenfassung:1. Process for the preparation of naphthalene derivatives of the formula see diagramm : EP0158073,P3,F1 characterized in that naphthalene derivatives of the formula see diagramm : EP0158073,P3,F2 wherein R = H or acyl, are subjected to a condensation reaction with compounds of the formula see diagramm : EP0158073,P3,F3 wherein X = OH or the radical of an inorganic or organic acid, and wherein the ring A can be further substituted, in an acid medium and the product is then hydrolysed.