Preparation of certain m-aminophenols and the use thereof for preparation of laser dyes
Patent
·
OSTI ID:7022196
Methods are provided for making certain m-aminophenols using a sulfonation/alkali fusion procedure. The aminophenols are key intermediates in the synthesis of dyes, particularly efficient, stable dyes for laser application. Preparations of some rhodamine and phenoxazone dyes from the m-aminophenols are described.
- DOE Contract Number:
- W-7405-ENG-48
- Assignee:
- Dept. of Energy
- Patent Number(s):
- None
- Application Number:
- ON: DE84014232
- OSTI ID:
- 7022196
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
42 ENGINEERING
420300* -- Engineering-- Lasers-- (-1989)
AMINES
AROMATICS
CARBOXYLIC ACIDS
CHEMICAL PREPARATION
CHEMICAL REACTIONS
DYE LASERS
DYES
HETEROCYCLIC ACIDS
HETEROCYCLIC COMPOUNDS
HYDROXY COMPOUNDS
LASERS
LIQUID LASERS
ORGANIC ACIDS
ORGANIC COMPOUNDS
ORGANIC OXYGEN COMPOUNDS
PHENOLS
REAGENTS
RHODAMINES
SULFONATION
SYNTHESIS
420300* -- Engineering-- Lasers-- (-1989)
AMINES
AROMATICS
CARBOXYLIC ACIDS
CHEMICAL PREPARATION
CHEMICAL REACTIONS
DYE LASERS
DYES
HETEROCYCLIC ACIDS
HETEROCYCLIC COMPOUNDS
HYDROXY COMPOUNDS
LASERS
LIQUID LASERS
ORGANIC ACIDS
ORGANIC COMPOUNDS
ORGANIC OXYGEN COMPOUNDS
PHENOLS
REAGENTS
RHODAMINES
SULFONATION
SYNTHESIS