title: A versatile route to polythiophenes with functional pendant groups using alkyne chemistry.
abstract: A new versatile polythiophene building block, 3-(3,4-ethylenedioxythiophene)prop-1-yne (pyEDOT) (3), is prepared from glycidol in four steps in 28% overall yield. pyEDOT features an ethynyl group on its ethylenedioxy bridge, allowing further functionalization by alkyne chemistry. Its usefulness is demonstrated by a series of functionalized polythiophene derivatives that were obtained by pre- and post-electropolymerization transformations, provided by the synthetic ease of the Sonogashira coupling and click chemistry.
authors.affiliation: Department of Chemistry - BMC, Uppsala University, Box 576, 751 23 Uppsala, Sweden.
authors.forename: Xiao
authors.initials: X
authors.lastname: Huang
authors.affiliation: Nanotechnology and Functional Materials, Department of Engineering Sciences, Uppsala University, Box 534, 751 21 Uppsala, Sweden.
authors.forename: Li
authors.initials: L
authors.lastname: Yang
authors.affiliation: Nanotechnology and Functional Materials, Department of Engineering Sciences, Uppsala University, Box 534, 751 21 Uppsala, Sweden.
authors.forename: Rikard
authors.initials: R
authors.lastname: Emanuelsson
authors.affiliation: Department of Chemistry - BMC, Uppsala University, Box 576, 751 23 Uppsala, Sweden.
authors.forename: Jonas
authors.initials: J
authors.lastname: Bergquist
authors.affiliation: Nanotechnology and Functional Materials, Department of Engineering Sciences, Uppsala University, Box 534, 751 21 Uppsala, Sweden.
authors.forename: Maria
authors.initials: M
authors.lastname: Strømme
authors.affiliation: Nanotechnology and Functional Materials, Department of Engineering Sciences, Uppsala University, Box 534, 751 21 Uppsala, Sweden.
authors.forename: Martin
authors.initials: M
authors.lastname: Sjödin
authors.affiliation: Department of Chemistry - BMC, Uppsala University, Box 576, 751 23 Uppsala, Sweden.
authors.forename: Adolf
authors.initials: A
authors.lastname: Gogoll
keywords: Sonogashira coupling; electropolymerization; functional polymers; polythiophene; thiophene