Tuning the Lewis acidity of difluorido gold() complexes: the synthesis of [AuClF(SIMes)] and [AuF(OTeF)(SIMes)]

Tuning the Lewis acidity of difluorido gold() complexes: the synthesis of [AuClF(SIMes)] and [AuF(OTeF)(SIMes)]

The synthesis and structural characterisation of the difluorido organo gold( iii ) complexes [AuClF 2 (SIMes)] and [AuF 2 (OTeF 5 )(SIMes)] are presented. The substitution of a fluorido ligand in [AuF 3 (SIMes)] by an OTeF 5 group increases the Lewis acidity of the Au moiety. A scale for carbene aff...

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Veröffentlicht in:Chemical communications (Cambridge, England) England), 2018, Vol.54 (67), p.931-934
Hauptverfasser: Ellwanger, Mathias A, von Randow, Clara, Steinhauer, Simon, Zhou, Yunfei, Wiesner, Anja, Beckers, Helmut, Braun, Thomas, Riedel, Sebastian
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Sprache:eng
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Gold
Synthesis
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container_end_page 934
container_issue 67
container_start_page 931
container_title Chemical communications (Cambridge, England)
container_volume 54
creator Ellwanger, Mathias A
von Randow, Clara
Steinhauer, Simon
Zhou, Yunfei
Wiesner, Anja
Beckers, Helmut
Braun, Thomas
Riedel, Sebastian
description The synthesis and structural characterisation of the difluorido organo gold( iii ) complexes [AuClF 2 (SIMes)] and [AuF 2 (OTeF 5 )(SIMes)] are presented. The substitution of a fluorido ligand in [AuF 3 (SIMes)] by an OTeF 5 group increases the Lewis acidity of the Au moiety. A scale for carbene affinities is presented, which correlates calculated and experimental values for the Lewis acidity of the metal centre in akin compounds. A route to [Au III ClF 2 (SIMes)] and [Au III F 2 (OTeF 5 )(SIMes)] including structural characterization to tune the ligand arrangement and Lewis acidity of gold( iii ) centres was developed.
doi_str_mv 10.1039/c8cc05233f
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subjects Gold
Synthesis
title Tuning the Lewis acidity of difluorido gold() complexes: the synthesis of [AuClF(SIMes)] and [AuF(OTeF)(SIMes)]
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