Polymerizationof alpha,omega-Bis(o-methoxyphenyl)arenes with trans-1,4-Cyclohexanedicarboxylic acid: Yielding Organosoluble Semi-Aromatic Polyketones

Katsuya Maeyama; Ayumu Katada

doi:10.20944/preprints202307.0238.v1

Preprint Article Version 1 Preserved in Portico This version is not peer-reviewed

Version 1 : Received: 4 July 2023 / Approved: 4 July 2023 / Online: 4 July 2023 (13:42:57 CEST)

A series of alpha,omega-bis(o-methoxyphenyl)arenes were prepared through Suzuki-Miyaura coupling reactions of dibromoarenes with o-methoxyphenyl boronic acid. P2O5-CH3SO3H-mediated direct polycondensation of alpha,omega-bis(o-methoxyphenyl)arenes with trans-1,4-cyclohexanedicarboxylic acid proceeded regioselectively to afford 1,4-cyclohexanediyl-containing aromatic polyketones. The resulting aromatic polyketones have high Tg and excellent solubility in typical organic solvents. In addition, the polyketone films fabricated by solution casting method are more colorless and transparent than those without cyclohexanediyl units.

aromatic polyketones; alpha,omega-bis(o-methoxyphenyl)arenes; Suzuki-Miyaura coupling; thermal stability; transparency

Chemistry and Materials Science, Polymers and Plastics

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Polymerizationof alpha,omega-Bis(o-methoxyphenyl)arenes with trans-1,4-Cyclohexanedicarboxylic acid: Yielding Organosoluble Semi-Aromatic Polyketones

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