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8454434 
Journal Article 
Reaction of a cobalt-containing Ziegler-type system with carbon monoxide. Direct synthesis of dicobalt octacarbonyl and an acylcobalt tetracarbonyl at room temperature 
Szabã³, P; Markã³, L 
1965 
Yes 
Journal of Organometallic Chemistry
ISSN: 0022-328X
EISSN: 1872-8561 
3 
5 
364-366 
English 
Propionylcobalt tetracarbonyl and dicobalt octacarbonyl are formed at room temperature from triethylalaminum and cobalt stearate containing hexane solutions by reacting with carbon monoxide. The formation of the acylcobalt tetracarbonyl complex proves the presence of ethylcobalt groups in this Ziegler-type system and is the first direct synthesis of an acylmetal carbonyl derivative. Nickel and iron containing analogous solutions give nickel tetracarbonyl and iron pentacarbonyl, respectively. © 1965.