Reactions of some conjugated diynes with cobalt carbonyl compounds
- 1 January 1969
- journal article
- research article
- Published by CSIRO Publishing in Australian Journal of Chemistry
- Vol. 22 (6) , 1143-1148
- https://doi.org/10.1071/ch9691143
Abstract
Treatment of dodecacarbonyltetracobalt with the conjugated diynes RC≡CC≡CR (R = CH3, C6H5) yields complexes of stoicheiometry [Co2(CO)6]2- (RC2C2R). The same complexes are obtained from octacarbonyldicobalt and the appropriate diyne. ��� A similar type of complex was obtained from para-(C6H5C2)2C6H4 and Co4(CO)12. Surprisingly, this complex was not isolated on reaction of the diyne with Co2(CO)8. ��� The infrared, nuclear magnetic resonance, and mass spectra of the complexes are given, and the probable structures of the compounds are deduced from these spectroscopic properties.Keywords
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