Conclusions
A new reaction was found consisting of 2:l-cocyclization of but-2-yne and the π-allyl ligand in Ru, Os, and Rh complexes with formation of 2-5-η-2,3,4,5-tetramethylcyclohexa-2,4-dien-1-yl-σ-methyl derivatives of these metals.
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The investigation was carried out by A. S. Batsanov and Yu. T. Struchkov and the results were published separately.
Translated from Izvestiya Akademii Nauk SSSR, Seriya Khimicheskaya, No. 4, pp. 855–859, April, 1988.
The signal from one methyl group coincides with the solvent signal as shown by the substantial distortion of one of the lines of the acetone-d6 multiplet.
Each component of the doublet is a multiplet with Δν ≈6 Hz.
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Lutsenko, Z.L., Petrovskii, P.V., Bezrukova, A.A. et al. 2:1-Cocyclization of but-2-yne with the π-allyl ligand in cationic π-allyl complexes of ruthenium, osmium, and rhodium. Russ Chem Bull 37, 735–738 (1988). https://doi.org/10.1007/BF01455490
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DOI: https://doi.org/10.1007/BF01455490