Authors Senkovsky, V. ; Beryozkina, T. ; Bocharova, V. ; Tkachov, R. ; Komber, H. ; Lederer, A. ; Stamm, M. ; Severin, N. ; Rabe, J.P. ; Kiriy, A.
Title A core-first preparation of poly(3-alkylthiophene) stars
Date 14.06.2010
Number 23922
Abstract A new and facile method for the preparation of mono- and hexa-functional Ni-bipyridyl-based initiators that mediate Kumada polycondensation of 2-bromo-5-chloromagnesio-3-hexylthiophene into head-to-tail regioregular poly(3-hexylthiophene), P3HT, has been developed. An important advantage of the catalytic system presented herein is the ease of the preparation of a number of Ar-Nibipy-Br initiators from readily available aryl halides. As an example, the core-first synthesis of 6-arm star-like P3HT having a hexaphenylbenzene core is demonstrated.
Publisher Macromolecular Symposia
Citation Macromolecular Symposia 291-291 (2010) 17-25
Tags atomic force microscopy chain-growth conjugated polymers polycondensation scanning tunneling microscopy star polymers catalyst-transfer polycondensation atomic-force microscopy polymers polymerization poly(3-hexylthiophene) manipulation architecture molec

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