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Synthesis of Hyperbranched Aromatic Poly(amide−imide): Copolymerization of B‘B 2 Monomer with A 2 Monomer

✍ Scribed by Chang, Yao-Te; Shu, Ching-Fong

Book ID
125484813
Publisher
American Chemical Society
Year
2003
Tongue
English
Weight
118 KB
Volume
36
Category
Article
ISSN
0024-9297

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## Abstract A new trifluoromethyl‐activated trifluoro monomer was successfully prepared by Pd‐initiated coupling of 1,3,5‐tribromobenzene with 4‐fluoro‐3‐trifluoromethylphenylboronic acid. 1,3,5‐Tris(4‐fluoro‐3‐trifluoromethylphenyl)benzene (**B**~**3**~) leads to several hyperbranched poly(arylene