Cyclopentadithiophene (CPDT) Dimer Dication: Bipolaron Model for Quaterthiophenes

Organic Letters

Volumn 4, Issue 25, 2002, Pages 4535-4538

  Kozaki, M ^a   Yonezawa, Y ^a   Okada, K ^a  

^a Osaka Prefecture University   (Japan)

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ARTICLE;

EID: 0442268853     PISSN: 15237060     EISSN: None     Source Type: Journal    
DOI: 10.1021/ol027080r     Document Type: Article

References (33)

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21. Syntheses and properties of CPDT dimers with n-hexyl end groups were previously reported; see: Yonezawa, Y.; Kozaki, M.; Okada, K. Synth. Met. 2001, 119, 99-100.
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24. 6: C, 58.68; H, 3.39; N, 8.55. Found: C, 58.88; H, 3.26; N, 8.51.
25. w = 0.101.
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30. 2+ is perfectly stable toward molecular oxygen; the elementary analysis and the X-ray structure analysis were achieved under usual aerated conditions. This indicates that the dication has a closed shelled singlet electronic configuration in the ground state.
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