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Synthesis, photophysics and molecular structures of luminescent 2,5-bis(phenylethynyl)thiophenes (BPETs)

Abstract:

The Sonogashira cross-coupling of two equivalents of para-substituted ethynylbenzenes with 2,5-diiodothiophene provides a simple synthetic route for the preparation of 2,5-bis(para-R-phenylethynyl)thiophenes (R = H, Me, OMe, CF3, NMe2, NO2, CN and CO2Me) (1a-h). Likewise, 2,5-bis(pentafluorophenylethynyl)thiophene (2) was prepared by the coupling of 2,5-diiodothiophene with pentafluorophenylacetylene. All compounds were characterised by NMR, IR, Raman and mass spectroscopy, elemental analysis...

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Publication status:
Published

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Publisher copy:
10.1039/b701172e

Authors


Siddle, JS More by this author
Collings, JC More by this author
Rutter, SR More by this author
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Journal:
NEW JOURNAL OF CHEMISTRY
Volume:
31
Issue:
6
Pages:
841-851
Publication date:
2007
DOI:
EISSN:
1369-9261
ISSN:
1144-0546
URN:
uuid:f175d623-7c34-48ef-b1d2-e7b879885ed0
Source identifiers:
117192
Local pid:
pubs:117192
Language:
English

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