Journal
JOURNAL OF MOLECULAR CATALYSIS A-CHEMICAL
Volume 195, Issue 1-2, Pages 125-131Publisher
ELSEVIER
DOI: 10.1016/S1381-1169(02)00543-5
Keywords
heck-type polymerization; oligo(atkylthiophenes); palladium acetate; conducting polymers
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Anew palladium-catalyzed polymerization of 2-bromo-3-octylthiophene is described giving rise to oligo(3-octylthiophenes) with good yields. A study was carried out in order to optintize the polymer regioregularity (reaching 90%) and to increase the molecular weight (up to dodecamers). A mechanism is proposed with a coordination between palladium and sulfur, in a modified Heck mechanism. (C) 2002 Elsevier Science B.V. All rights reserved.
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