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Poly((2,5-dialkoxy- p -phenylene)ethynylene -p -phenyleneethynylene)s and Their Model Compounds

✍ Scribed by Li, Hong; Powell, Douglas R.; Hayashi, Randy K.; West, Robert


Book ID
126988380
Publisher
American Chemical Society
Year
1998
Tongue
English
Weight
153 KB
Volume
31
Category
Article
ISSN
0024-9297

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📜 SIMILAR VOLUMES


Poly(2,5-dialkoxy-p-phenylene)s—synthesi
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## Abstract The synthesis of poly(2,5‐dialkoxy‐__p__‐phenylene)s (PPP) by palladium‐catalyzed polycondensation of 2,5‐dialkoxy‐4‐bromophenylboronic acids is described. Number‐average degrees of polymerization of ca. 30 have been reached at best. The characterization of the polymers by NMR, IR, UV‐V

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## Abstract A high‐molecular‐weight poly(2,5‐dialkoxy‐__p__‐phenyleneethynylene) derivative has been prepared by the Heck reaction of 1,4‐bis(2‐ethylhexyloxy)‐2,5‐diiodobenzene and 1,4‐diethynyl‐2,5‐dioctyloxybenzene. The highly luminescent polymer exhibits excellent solubility and can readily be p

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## Abstract Hyperbranched poly(__p__‐phenylene ethynylenes) (HB‐PPEs) were synthesized in an A~2~ + B~3~ one‐pot approach by the Pd/Cu‐catalyzed cross‐coupling reaction of 1,4‐diethynyl‐2,5‐bis‐(octyloxy)benzene and 1,2,4‐tribromobenzene. Reaction conditions were varied with the objective to obtain