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New tetradentate Schiff-base polymers, in which phenylene units alternate with salicylideneiminato units, have been prepared by condensation of 2,5-(didodecyloxy)-1,4-bis(3-formyl-4-hydroxyphenyl)benzene (DFHB) with appropriate diamines in a mixed solution of CHCl 3 /toluene/acetic acid with 31-79% yields. DFHB as the key building block was prepared by the Suzuki reaction of 2,5-(didodecyloxy)benzene-1,4-diboronic...
A new series of the processable poly(terephthalylidene) derivatives containing single atom linkage were prepared by condensation reactions between bis(4-formylphenyl)ether or sulfide and 2,5-bis(hexyloxyl)-1,4-xylene bis (triphenyl phosphonium chloride), respectively. The resulting polymers were soluble in common organic solvents and could be spun-cast on glass plate coated with ITO electrode obtaining...
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