Use of the CH Acidity of 2,4,4‐Trimethyl‐4,5‐dihydrooxazole to Synthesize Triauriomethanes and Novel Gold Clusters

Franz Scherbaum, Brigitte Huber, Gerhard Müller, Hubert Schmidbaur

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Abstract

An Au 8I cluster with an unusual structure, the dication 1, is formed in the polyauration of 2,4,4‐trimethyl‐4,5‐dihydrooxazole. The expected dihydrooxazole with a peraurated 2‐methyl group reacts further with excess Ph3PAuCl/CsF under Au1‐incorporation to give 1. The highly aurated C atoms are trigonal‐bipyramidally coordinated. Since the distance between the two central Au atoms is also short (2.811(1) (Å), all the eight Au atoms are components of a cluster. The counterion [Me3SiF2] was also unexpected. (Figure Presented.)

Original languageEnglish
Pages (from-to)1542-1544
Number of pages3
JournalAngewandte Chemie International Edition in English
Volume27
Issue number11
DOIs
StatePublished - Nov 1988
Externally publishedYes

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