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Core and Double Bond Functionalization of Cyclopentadithiophene- Phosphaalkenes
preprintsubmitted on 17.05.2020, 18:26 and posted on 19.05.2020, 13:13 by Jordann A.L. Wells, Muhammad Anwar Shameem, Arvind Kumar Gupta, Andreas Orthaber
The heterofulvenoid cyclopentadithiophene-phosphaalkene is a versatilie building block for opto-electronic tuning with donor and acceptor moieties. Both the annulated thienyl rings and the phosphaalkene bond can be functionalised using a variety of chemical transfomations, e.g. forming C-C, C-E (E = Si, Br) bonds or oxidation and metal coordination, respectively. Solid-state structures, optical and electronic properties are probed theoretically and experimentally, illustrating the opto-electronic tailoring opportunities at this motif.