2007
DOI: 10.1002/ange.200700966
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Suzuki Polycondensation Put to Work: A Tough Poly(meta‐phenylene) with a High Glass‐Transition Temperature

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Cited by 18 publications
(8 citation statements)
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References 23 publications
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“…[ 40 ] Detailed optimizations of Suzuki conditions improved molecular weight, as demonstrated with an aromatic, non‐conjugated alternating SP copolymer (Figure 4 bottom), but toughness remained elusive. [ 45 ] Inspired by recent work from the Schlüter group on tough poly(meta‐phenylenes) [ 58 ] we designed a new, amorphous, and high T g polyphenylene with meta, meta, para backbone constitution (P mmp P), enabling excellent toughness at room temperature with strain at break values up to 300% ( Figure a). [ 41 ] Due to its superior mechanical properties, P mmp P appeared to be an ideal covalent matrix material for SPBr 2 .…”
Section: Aromatic Substituents Enable Transient Mechanochromismmentioning
confidence: 99%
“…[ 40 ] Detailed optimizations of Suzuki conditions improved molecular weight, as demonstrated with an aromatic, non‐conjugated alternating SP copolymer (Figure 4 bottom), but toughness remained elusive. [ 45 ] Inspired by recent work from the Schlüter group on tough poly(meta‐phenylenes) [ 58 ] we designed a new, amorphous, and high T g polyphenylene with meta, meta, para backbone constitution (P mmp P), enabling excellent toughness at room temperature with strain at break values up to 300% ( Figure a). [ 41 ] Due to its superior mechanical properties, P mmp P appeared to be an ideal covalent matrix material for SPBr 2 .…”
Section: Aromatic Substituents Enable Transient Mechanochromismmentioning
confidence: 99%
“…13 C-NMR-Spektrum von 2 a (75 MHz, CDCl 3 , RT; M n = 19 600 g mol À1 , PDI = 1.74). [16,17,25] und des aus m-Phenylen und p-Phenylen aufgebauten statistischen Copolymers 9. Die NMR-Analyse von 9 (siehe die Hintergrundinformationen) zeigte, dass sich das im Experiment genutzte stçchiometrische Monomeren-verhältnis (3:1) in der Zusammensetzung des Copolymers wiederfindet.…”
Section: Nrunclassified
“…Die Modifikation die Endgruppe des Polymers 2 a gelang auch über Magnesierung (2 a-MgCl) und anschließender oxidativer Kreuzkupplung [19] mit 3 in Anwesenheit von TEMPO unter Bildung von 4 (M n = 6500 g mol À1 , PDI = 1.90). Die Methode ermçglichte die Synthese des chiralen Poly(m-phenylens) 8 [16,17,25] und des aus m-Phenylen und p-Phenylen aufgebauten statistischen Copolymers 9. [23] Neben der Mçglichkeit der nachträglichen chemischen Modifikation der iodierten Oligoarene lässt sich Endgruppenkontrolle auch über Polymerisation des anionischen Monomers in Gegenwart eines zusätzlichen Aryl-Grignard-Reagenzes, das keine anionische Abgangsgruppe trägt, erzielen.…”
unclassified
“…Furthermore, the biaryl subunit can be found in many natural products such as alkaloids or certain unusual peptide‐based natural products 3. Finally, biaryl compounds are very common in material science 4,5. Classical methods for aryl–aryl bond formation include reductive methods such as the Ullmann coupling, which employs an aryl halide and copper 1.…”
Section: Introductionmentioning
confidence: 99%