Arsole-containing conjugated polymers are apractically unexplored class of materials despite the high interest in their phosphole analogues.H erein we report the synthesis of the first dithieno[3,2-b;2',3'-d]arsole derivative,a nd demonstrate that it is stable to ambient oxidation in its + 3oxidation state.Asoluble copolymer is obtained by ap alladium-catalyzedS tille polymerization and demonstrated to be a p-type semiconductor with promising hole mobility,which was evaluated by field-effect

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... nsistor measurements. Figure 1. Structures of pnictogen-containing dithienometalloles. Supportinginformation and the ORCID identification number(s) for the author(s) of this article can be found under http://dx.