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

Scherbaum Franz | Zendy; Huber Brigitte | Zendy; Müller Gerhard | Zendy; Schmidbaur Hubert | Zendy

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

Author(s) -

Scherbaum Franz,

Huber Brigitte,

Müller Gerhard,

Schmidbaur Hubert

Publication year - 1988

Publication title -

angewandte chemie international edition in english

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 5.831

H-Index - 550

eISSN - 1521-3773

pISSN - 0570-0833

DOI - 10.1002/anie.198815421

Subject(s) - dication , counterion , cluster (spacecraft) , chemistry , gold cluster , trigonal crystal system , crystallography , ion , medicinal chemistry , stereochemistry , computational chemistry , organic chemistry , crystal structure , density functional theory , computer science , programming language

An Au 8 Icluster 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 Ph 3 PAuCl/CsF under Au 1 ‐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 [Me 3 SiF 2 ] ⊖ was also unexpected.

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