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Koutarou Yamazaki, Junpei Kuwabara and Takaki Kanbara Detailed Optimization of Polycondensation Reaction via Direct C–H Arylation of Ethylenedioxythiophene Macromolecular Rapid Communications 34

Version of Record online: 12 OCT 2012 | DOI: 10.1002/marc.201200550

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Optimizations of direct arylation polycondensation of 3,4-ethylenedioxythiophene with 2,7-dibromo-9,9-dioctylfluorene are conducted in terms of Pd precatalysts, reaction time, and carboxylic acid additives. Under the optimized conditions, the combination of 1 mol% Pd(OAc)2 and 1-adamantanecarboxylic acid gives the corresponding polymer with a molecular weight of 39 400 in 89% yield.

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