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Naphthalene Amidine Imide Dyes by Transamination of Naphthalene Bisimides
Author(s) -
Langhals Heinz,
Jaschke Harald
Publication year - 2006
Publication title -
chemistry – a european journal
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.687
H-Index - 242
eISSN - 1521-3765
pISSN - 0947-6539
DOI - 10.1002/chem.200500899
Subject(s) - amidine , transamination , naphthalene , imide , chemistry , chromophore , photochemistry , fluorescence , organic chemistry , physics , quantum mechanics , enzyme
Derivatives of naphthalene‐1,4,5,8‐tetracarboxylic acid with amidine structures have been prepared. The light absorption of the bisimide derivatives in the UV region is shifted to the visible for the amidine imides, which also fluoresce with a large Stokes shift. It has been shown how the bisimide–lactam rearrangement can be extended to amidine structures.