In 2017,Fei, Zhuping; Han, Yang; Gann, Eliot; Hodsden, Thomas; Chesman, Anthony S. R.; McNeill, Christopher R.; Anthopoulos, Thomas D.; Heeney, Martin published 《Alkylated Selenophene-Based Ladder-Type Monomers via a Facile Route for High-Performance Thin-Film Transistor Applications》.Journal of the American Chemical Society published the findings.Name: Bis[(pinacolato)boryl]methane The information in the text is summarized as follows:
We report the synthesis of two new selenophene-containing ladder-type monomers, cyclopentadiselenophene (CPDS) and indacenodiselenophene (IDSe), via a 2-fold and 4-fold Pd-catalyzed coupling with a 1,1-diborylmethane derivative Copolymers with benzothiadiazole were prepared in high yield by Suzuki polymerization to afford materials which exhibited excellent solubility in a range of nonchlorinated solvents. The CPDS copolymer exhibited a band gap of just 1.18 eV, which is among the lowest reported for donor-acceptor polymers. Thin-film transistors were fabricated using environmentally benign, nonchlorinated solvents, with the CPDS and IDSe copolymers exhibiting hole mobility up to 0.15 and 6.4 cm2 V-1 s-1, resp. This high performance was achieved without the undesirable peak in mobility often observed at low gate voltages due to parasitic contact resistance. The results came from multiple reactions, including the reaction of Bis[(pinacolato)boryl]methane(cas: 78782-17-9Name: Bis[(pinacolato)boryl]methane)
Bis[(pinacolato)boryl]methane(cas: 78782-17-9) belongs to organoboron compounds.Name: Bis[(pinacolato)boryl]methane Organoboron compounds are versatile intermediates and as such are some of the most important classes of reagents in modern organic chemistry. This stems from their ease of preparation combined with their ability to undergo a broad range of chemical transformations.
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