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Preparation of 6-hydroxyindolines and their use for preparation of novel laser dyes

Patent ·
OSTI ID:868987
 [1];  [2]
  1. Danville, CA
  2. Livermore, CA
+ Show Author Affiliations

A novel method for the synthesis of 6-hydroxyindolines and new fluorescent dyes produced therefrom, which dyes are ring-constrained indoline-based rhodamine class dyes. These dyes have absorption and emission spectra which make them particularly useful in certain dye laser applications.

Research Organization:
Lawrence Livermore National Laboratory (LLNL), Livermore, CA
DOE Contract Number:
W-7405-ENG-48
Assignee:
United States of Americas as represented by United States (Washington, DC)
Patent Number(s):
US 5256799
OSTI ID:
868987
Country of Publication:
United States
Language:
English

References (3)

Fluorescence and lasing properties of rhodamine dyes journal January 1991
A new synthesis of methoxyindoles journal January 1966
A Facile Synthesis of 4-Hydroxy- and 4-Aminoindoles through Corresponding Indolines journal November 1989

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Related Subjects

/999/
6-hydroxyindolines
absorption
applications
dye
dye laser
dyes
emission
emission spectra
fluorescent
fluorescent dye
fluorescent dyes
indoline-based
laser
laser applications
laser dye
laser dyes
method
novel
novel method
particularly
particularly useful
preparation
produced
rhodamine
ring-constrained
spectra
synthesis
therefrom
useful