Synthesis and Properties of 9,9-Diarylfluorene-Based Triaryldiamines
Author(s) -
KenTsung Wong,
Zi-Jien Wang,
Yuh-Yih Chien,
ChienLung Wang
Publication year - 2001
Publication title -
organic letters
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.94
H-Index - 239
eISSN - 1523-7060
pISSN - 1523-7052
DOI - 10.1021/ol016051y
Subject(s) - chemistry , triflic acid , amination , combinatorial chemistry , catalysis , linkage (software) , medicinal chemistry , organic chemistry , stereochemistry , biochemistry , gene
[reaction: see text] 9,9-Diaryl-2,7-dibromofluorene was synthesized by a triflic acid promoted Friedel-Crafts reaction. Introduction of diarylamino groups at its C2 and C7 positions by a Pd-catalyzed amination results in the formation of a novel class of triaryldiamines. The 9,9-diaryl substituents at the central linkage play a less important role in the photophyscial properties but affect the oxidation potential and improve the morphological stability of these new triarylamines.
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