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Controlled Synthesis of Oligomers Containing Main-Chain B(sp2)-B(sp2) Bonds

Schorr, Fabian, Schopper, Nils, Riensch, Nicolas, Fantuzzi, Felipe, Neder, Marco, Dewhurst, Rian D., Thiess, Torsten, Brückner, Tobias, Hammond, Kai, Helten, Holger, and others. (2021) Controlled Synthesis of Oligomers Containing Main-Chain B(sp2)-B(sp2) Bonds. Chemistry - A European Journal, 27 (64). pp. 16043-16048. ISSN 0947-6539. E-ISSN 1521-3765. (doi:10.1002/chem.202103366) (KAR id:96294)

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A number of novel alkynyl-functionalized diarylbis(dimethylamino)diboranes(4) are prepared by salt metathesis, and the appended alkynyl groups are subjected to hydroboration. Their reactions with monohydroboranes lead to discrete boryl-appended diborane(4) species, while dihydroboranes induce their catenation to oligomeric species, the first known examples of well-characterized macromolecular species with B−B bonds. The oligomeric species were found to comprise up to ten repeat units and are soluble in common organic solvents. Some of the oligomeric species have good air stability and all were characterized by NMR and vibrational spectroscopy and size-exclusion chromatography techniques.

Item Type: Article
DOI/Identification number: 10.1002/chem.202103366
Subjects: Q Science > QD Chemistry
Divisions: Divisions > Division of Natural Sciences > Chemistry and Forensics
Depositing User: Felipe Fantuzzi
Date Deposited: 18 Aug 2022 09:48 UTC
Last Modified: 19 Aug 2022 09:16 UTC
Resource URI: (The current URI for this page, for reference purposes)
Fantuzzi, Felipe:
Dewhurst, Rian D.:
Helten, Holger:
Finze, Maik:
Braunschweig, Holger:
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