Method for producing 1,2-naphthoquinone-2-diazide derivative

Method for producing 1,2-naphthoquinone-2-diazide derivative

An effective method for producing a 1,2-naphthoquinone-2-diazide or a sulfo-substituted compound thereof from a 2-diazo-1-naphthalenesulfonic acid or a sulfo-substituted compound thereof. A 1,2-naphthoquinone-2-diazide derivative or a sulfo-substituted compound thereof is derived from a 2-diazo-1-na...

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Bibliographische Detailangaben
Hauptverfasser: YONEYAMA, NOBUHIRO, ITAHANA, TOSHIO, TOBISHIMA, SEIJU, KOJIMA, KUNIHIKO, IIDA, HIROTADA
Format: Patent
Sprache:eng
Schlagworte:
ACYCLIC OR CARBOCYCLIC COMPOUNDS
CHEMISTRY
METALLURGY
ORGANIC CHEMISTRY
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Beschreibung
Zusammenfassung:An effective method for producing a 1,2-naphthoquinone-2-diazide or a sulfo-substituted compound thereof from a 2-diazo-1-naphthalenesulfonic acid or a sulfo-substituted compound thereof. A 1,2-naphthoquinone-2-diazide derivative or a sulfo-substituted compound thereof is derived from a 2-diazo-1-naphthalenesulfonic acid or a sulfo-substituted compound thereof by use of an aqueous alkaline solution containing iodine; an aqueous alkaline solution containing iodine which is dissolved in an organic solvent; or an aqueous alkaline solution containing an oxidizing agent and iodine or an iodine compound.