Study on Direct Arylation Polycondensation of 3,4-Ethylenedioxythiophene with Dibromocarbazole

Palladium-catalyzed direct arylation polycondensation of 3,4-ethylenedioxythiophene (EDOT) with dibromocarbazole was investigated by varying heating conditions and microwave heating conditions. The polycondensation of EDOT with 3,6-dibromocarbazole resulted in the alternating copolymer (Mn = 6600) i...

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Published in:KOBUNSHI RONBUNSHU 2017/11/25, Vol.74(6), pp.588-593
Main Authors: HAYASHI, Shotaro, SHIMIZU, Hiroki, KOJIMA, Yoshihisa, YAMAMOTO, Shin-ichi, KOIZUMI, Toshio
Format: Article
Language:Japanese
Subjects:
3,4-Ethylenedioxythiophene
Carbazoles
Conjugated Polymers
Direct Arylation
Heating
Palladium
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container_title KOBUNSHI RONBUNSHU
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creator HAYASHI, Shotaro
SHIMIZU, Hiroki
KOJIMA, Yoshihisa
YAMAMOTO, Shin-ichi
KOIZUMI, Toshio
description Palladium-catalyzed direct arylation polycondensation of 3,4-ethylenedioxythiophene (EDOT) with dibromocarbazole was investigated by varying heating conditions and microwave heating conditions. The polycondensation of EDOT with 3,6-dibromocarbazole resulted in the alternating copolymer (Mn = 6600) in high yield. In contrast, 2,7-dibromocarbazole shows low reactivity and the polycondensation of EDOT with 2,7-dibromocarbazole resulted in an oligomeric product (Mn < 4000) in low yield.
doi_str_mv 10.1295/koron.2017-0037
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subjects 3,4-Ethylenedioxythiophene
Carbazoles
Conjugated Polymers
Direct Arylation
Heating
Palladium
title Study on Direct Arylation Polycondensation of 3,4-Ethylenedioxythiophene with Dibromocarbazole
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