J. Roncali, P. Blanchard et al.
FULL PAPER
5,5'''''-Dihexyl-4',3''''-[trans-1,1'-azobis(4-benzylsulfandiyl)]-2,2':5',2'':5'',
2''':5''',2'''':5'''',2'''''-sexithiophene (p-6T): This compound was prepared
according the procedure already described for m-4T from 8 (310 mg,
0.37 mmol), CsOH(130 mg, 2.2 equiv) and p-3 (137 mg, 1 equiv). Chro-
matography on silica gel (CH2Cl2/hexane 1:1) and recrystallization from
CHCl3 gave p-6Tas an orange solid (60 mg, 17%). M.p. >2508C; 1HNMR
(CDCl3) d 0.92 (t, 3J 6.5 Hz, 6H), 1.50 1.20 (m, 12H), 1.71 (q, 3J
7.4 Hz, 4H), 2.83 (t, 3J 7.5 Hz, 4H), 3.82 (s, 4H), 6.55 (d, 3J 3.8 Hz, 2H),
6.73 (d, 3J 3.4 Hz, 2H), 5.86 (brs, 4H), 7.03 (d, 3J 3.4 Hz, 2H), 7.19 (m,
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Acknowledgement
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We would like to thank Remi de Bettignies for technical assistance, the
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Received: April 1, 2003 [F5010]
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