Catalytic Si/B Exchange Condensation: A Green B–C Coupling Method That Provides Access to Monodisperse (Het)arylborane ‘Trimers’

Lars Fritze; Nicolas A. Riensch; Holger Helten

doi:10.1055/s-0037-1610849

Synthesis, Inhaltsverzeichnis

Synthesis 2019; 51(02): 399-406
DOI: 10.1055/s-0037-1610849

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Catalytic Si/B Exchange Condensation: A Green B–C Coupling Method That Provides Access to Monodisperse (Het)arylborane ‘Trimers’

Authors

Lars Fritze
Nicolas A. Riensch
Holger Helten *

Institute of Inorganic Chemistry, RWTH Aachen University, Landoltweg 1, 52056 Aachen, Germany eMail: holger.helten@ac.rwth-aachen.de

Abstract

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Dedicated to Professor Rainer Streubel on the occasion of his 60th birthday

Abstract

The potential of our metal-free B–C coupling method using catalytic Si/B exchange condensation is demonstrated by the synthesis of a series of monodisperse (het)arylborane oligomers with four (het)arene moieties and three boron centers (i.e., ‘trimers’). Photophysical and electrochemical investigations evidenced effective π-conjugation over the (het)arene rings and the boron centers.

Key words

boron - B–C bond formation - furan - thiophene - organocatalysis - organoboranes - monodisperse oligomers - conjugated materials

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Referenzen

References
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Zusatzmaterial

Supporting Information (PDF)