A highly selective catalytic system for the cross-coupling of (E)-styryl bromide with benzeneboronic acid: application to the synthesis of all-trans poly (arylenevinylene) …

M Wakioka, Y Mutoh, R Takita, F Ozawa

Index: Wakioka, Masayuki; Mutoh, Yuichiro; Takita, Ryo; Ozawa, Fumiyuki Bulletin of the Chemical Society of Japan, 2009 , vol. 82, # 10 p. 1292 - 1298

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Citation Number: 6

Abstract

A highly selective system for palladium-catalyzed polycondensation of (E, E)-1, 4-bis (2- bromoethenyl) benzene ((E, E)-1) with 2, 5-dioctyloxybenzene-1, 4-diboronic acid (2a) to give all-trans poly [(p-phenylenevinylene)-alt-(2, 5-dioctyloxy-1, 4-phenylenevinylene)](all- trans 3) has been investigated using (E)-styryl bromide ((E)-4) and 2, 5- dioctyloxybenzeneboronic acid (5a) as model compounds of (E, E)-1 and 2a, respectively. ...