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Pamela M. Lundin, Gaurav Giri and Zhenan Bao A comparison of the properties of two structurally equivalent but regiochemically different mono-alkylated polybithiophenes prepared through AABB-type stille polycondensation Journal of Polymer Science Part A: Polymer Chemistry 51

Article first published online: 4 DEC 2012 | DOI: 10.1002/pola.26448

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Two poly(3-decyl-2,2′-bithiophene) polymers have been synthesized through Stille AABB-type polycondensations, which limits the location of the alkyl side-chain to be present exclusively on every other thiophene unit. However, the relative orientation of the side-chains differ in polymers 1 and 2. The regiochemistry of these two polymers are analyzed by 1H NMR, 13C NMR, and HSQC spectroscopy, and the impacts of the different structures on the polymer properties are studied with UV–vis spectroscopy, DSC, and GIXD.

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