Synthesis of hyperbranched polythiophene with a controlled degree of branching viacatalyst-transfer Suzuki–Miyaura coupling reaction
Literature Information
Publication Date
2012-11-30
DOI
10.1039/C2PY20891A
Impact Factor
5.582
Authors
Yukari Segawa, Tomoya Higashihara, Mitsuru Ueda
View Original
Abstract
A hyperbranched polythiophene with the degree of branching of almost 100% has been successfully prepared by the catalyst-transfer Suzuki–Miyaura coupling reaction of an AB2 monomer containing the phenyl boronic acid pinacol ester and dibromothiophene units as the A and B2 functionalities, respectively. The model reaction of 2,5-dibromothiophene with an equivalent of 3-methoxyphenylboronic acid pinacol ester proceeded in a catalyst-transfer manner, predominantly leading to a diarylated product. Based on these findings, a new AB2 monomer was designed and synthesized. The obtained polymer was characterized by 1H and 13C NMR spectroscopies, which showed a nearly defect-free HBP.
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Source Journal
Polymer Chemistry
CiteScore:
8.6
Self-citation Rate:
7.3%
Articles per Year:
457
Polymer Chemistry welcomes submissions in all areas of polymer science that have a strong focus on macromolecular chemistry. Manuscripts may cover a broad range of fields, yet no direct application focus is required.
Recommended Compounds
Tris(2-ethylhexyl) 4,4',4''-(1,3,5-triazine-2,4,6-triyltriimino)tribenzoate
CAS Number:
88122-99-0
Molecular Formula:
C48H66N6O6
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[2',6'-bis(propan-2-yloxy)-[1,1'-biphenyl]-3-yl]dicyclohexylphosphane
CAS Number:
787618-22-8
Molecular Formula:
C30H43O2P
![1-(Hexopyranosyloxy)-4a,5-dihydroxy-7-methyl-1,4a,5,6,7,7a-hexahydrocyclopenta[c]pyran-7-yl 3-phenylacrylate structure](https://static.chemtradehub.com/structs/192/19210-12-9-ecae.webp "1-(Hexopyranosyloxy)-4a,5-dihydroxy-7-methyl-1,4a,5,6,7,7a-hexahydrocyclopenta[c]pyran-7-yl 3-phenylacrylate structure")
1-(Hexopyranosyloxy)-4a,5-dihydroxy-7-methyl-1,4a,5,6,7,7a-hexahydrocyclopenta[c]pyran-7-yl 3-phenylacrylate
CAS Number:
19210-12-9
Molecular Formula:
C24H30O11
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