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Oligo(phenylenvinylene) mit terminaler Donor-Acceptor-Substitution

✍ Scribed by Herbert Meier; Jürgen Gerold; Heinz Kolshorn; Wolfram Baumann; Michael Bletz


Publisher
John Wiley and Sons
Year
2002
Tongue
English
Weight
133 KB
Volume
114
Category
Article
ISSN
0044-8249

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## Abstract Five oligo(2,5‐thienyleneethynylene) series (OTE, __n__ = 1–5), namely the push‐pull substituted compounds **1b**‐**5b** and **1c**‐**5c**, the purely donor substituted compounds **1a**‐**5a** and two precursor series with protected and deprotected ethynyl end‐groups, respectively, were

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Oligo(para-phenylene)s (DAOPPs) 2a -2d (n ¼ 1 -4) with terminal donor -acceptor substitution (D ¼ C 6 H 13 O, A ¼ NO 2 ) were prepared by applying Suzuki cross-couplings for chain extension and end capping. The push -pull effect induces short-reaching polarizations of the chain consisting of conjuga