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Oxidative access via aqua regia to an electrophilic, mesoionic dicobaltoceniumyltriazolylidene gold(III) catalyst.


ABSTRACT: A gold(III) complex with the hitherto most electron poor mesoionic carbene ligand is presented. Aqua regia was the oxidizing agent of choice for the synthesis of this unusual organometallic compound. The AuIII complex is redox-rich, and also acts as a catalyst for oxazole formation, delivering selectively a completely different isomer compared to its AuI congener.

SUBMITTER: Vanicek S 

PROVIDER: S-EPMC6914379 | biostudies-literature | 2019 Nov

REPOSITORIES: biostudies-literature

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Oxidative access via <i>aqua regia</i> to an electrophilic, mesoionic dicobaltoceniumyltriazolylidene gold(III) catalyst.

Vanicek Stefan S   Beerhues Julia J   Bens Tobias T   Levchenko Volodymyr V   Wurst Klaus K   Bildstein Benno B   Tilset Mats M   Sarkar Biprajit B  

Organometallics 20191112 22


A gold(III) complex with the hitherto most electron poor mesoionic carbene ligand is presented. Aqua regia was the oxidizing agent of choice for the synthesis of this unusual organometallic compound. The Au<sup>III</sup> complex is redox-rich, and also acts as a catalyst for oxazole formation, delivering selectively a completely different isomer compared to its Au<sup>I</sup> congener. ...[more]

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