Affiliation:
1. Department of Materials Science Institute of Pure and Applied Sciences University of Tsukuba 1‐1‐1 Tennodai Tsukuba Ibaraki 305‐8573 Japan
2. Tsukuba Research Center for Energy Materials Science (TREMS) Institute of Pure and Applied Sciences, University of Tsukuba 1‐1‐1 Tennodai Tsukuba Ibaraki 305‐8573 Japan
Abstract
AbstractNonstoichiometric direct arylation polycondensation of 2,2′,3,3′,5,5′,6,6′‐octafluorobiphenyl with excess of 2,7‐diiodo‐9,9‐dioctyl‐9H‐fluorene is demonstrated. Pd/Ag dual‐catalyst system under water/2‐methyltetrahydrofuran biphasic conditions enables direct arylation under mild conditions and promotes the intramolecular transfer of a Pd catalyst walking through the fluorene moiety. The nonstoichiometric direct arylation polycondensation under the optimized reaction conditions produces the corresponding π‐conjugated polymer with a high molecular weight and terminal octafluorobiphenyl units at both ends.
Subject
Materials Chemistry,Polymers and Plastics,Organic Chemistry
Cited by
2 articles.
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