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Cyanine-like dyes with large bond-length alternation

Abstract:

Herein, the synthesis and properties of alkyne-bridged carbocations, which are analogous in structure to cyanine dyes, are reported. An alkene-bridged dye, linked at the third position of the indole, was also synthesized as a reference compound. These new carbocations are stable under ambient conditions, allowing characterization by UV/Vis and NMR (1H and 13C) spectroscopies. These techniques revealed a large degree of delocalization of the positive charge, similar to a previously reported po...

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Publisher copy:
10.1002/chem.201300609

Authors


Thorley, KJ More by this author
Brédas, J-L More by this author
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Journal:
Chemistry - A European Journal
Volume:
19
Issue:
31
Pages:
10370-10377
Publication date:
2013-07-29
DOI:
EISSN:
1521-3765
ISSN:
0947-6539
URN:
uuid:28eb3333-eae1-4258-9206-187e5b9669cf
Source identifiers:
419022
Local pid:
pubs:419022
Language:
English
Keywords:

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