Kinetic study on the interconversion between (silylacetylene)- and (β-silylvinylidene)rhodium(I) complexes

Organometallics

Volumn 15, Issue 21, 1996, Pages 4642-4645

  Katayama, Hiroyuki ^a   Onitsuka, Kiyotaka ^a,b   Ozawa, Fumiyuki ^a  

^a Osaka Prefecture University   (Japan)

^b OSAKA UNIVERSITY   (Japan)

Author keywords

[No Author keywords available]

Indexed keywords

EID: 0001210043     PISSN: 02767333     EISSN: None     Source Type: Journal    
DOI: 10.1021/om9603575     Document Type: Article

References (17)

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7. -1) at 60 °C in toluene.
8. The CO-induced formation of acetylene from the corresponding vinylidene complex has been reported: (a) Werner, H.; Stark, A.; Steinert, P.; Grünwald, C.; Wolf, J. Chem. Ber. 1995, 128, 49.
9. (b) Rappert, T.; Nürnberg, O.; Mahr, N.; Wolf, J.; Werner, H. Organometallics 1992, 11, 4156.
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11. Silvestre, J.; Hoffmann, R. Helv. Chim. Acta 1985, 68, 1461.
12. There is a possibility that σ-donation from the vinylidene ligand to the rhodium center predominates over the π-back-donation in the present 16-electron complexes. In this case, the vinylidene complex becomes more stable as the donating ability of the R substituent increases, consistent with the experimental observations. We thank a reviewer for bringing this possibility to our attention.
13. Cowley, A. H.; Mills, J. L. J. Am. Chem. Soc. 1969, 91, 2915.
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16. Apparent coupling constant for the virtual triplet signal.
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