4.4 Article

Mesyl and Triflyl Functionalized N-Heterocyclic Carbenes as Acceptor Fragments in Luminescent Carbene-Metal-Amide Complexes

Journal

SYNLETT
Volume 34, Issue 14, Pages 1689-1693

Publisher

GEORG THIEME VERLAG KG
DOI: 10.1055/a-1988-1984

Keywords

N-heterocyclic carbenes; acceptor groups; carbene-metal-amides; copper(I) complexes; luminescence

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This study provides detailed synthetic procedures for accessing mesyl and triflyl functionalized derivatives of 1,3-bis(2,6-diisopropylphenyl)imidazolidin-2-ylidene (SIPr). New luminescent carbene-metal-amide (CMA) Cu(I) complexes based on acceptor group functionalized SIPr have been prepared. The effect of the LUMO energy in the sulfonyl functionalized N-heterocyclic carbene (NHC) series on the emissive properties of the CMAs has been investigated.
Synthetic procedures providing access to mesyl and triflyl functionalized derivatives of 1,3-bis(2,6-diisopropylphenyl)imidazolidin-2-ylidene (SIPr) have been provided in detail. New luminescent carbene-metal-amide (CMA) Cu(I) complexes based on acceptor group functionalized SIPr have been prepared. The effect of the LUMO energy in the sulfonyl functionalized N-heterocyclic carbene (NHC) series on the emissive properties of the CMAs has been investigated.

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