Conclusions
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1.
It has been shown by PMR spectroscopy that in a solution of RYbI there exists an equilibrium similar to that established by Schenk for Grignard reagents.
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2.
The compound formed by the action of an equimolar mixture of PhI and LiI on Yb metal in THF differs in reactivity from PhYbI in its reaction with CF2=CF2.
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3.
The reaction of PhSmI with 1,2,2-trifluorostyrene differs from the reactions of PhEuI and PhYbI in that it gives an equimolar mixture of the cis and trans isomers of 5,6-difluoro-4,6-diphenyl-5-hexene-1-ol.
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4.
“PHCeI” does not react with 1,2,2-trifluorostyrene. However, the organocerium complex formed by the oxidatlve addition of Ce to PhI in the presence of an equivalent quantity of LiI reacts with 1,2,2-trifluorostyrene to form an equimolar mixture of the cis and trans isomers of 5.6-difluoro-4,6-diphenyl-5-hexene-1-ol.
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Translated from Izvestiya Akademii Nauk SSSR, Seriya Khicheskaya, No. 2, pp. 445–450, February, 1988.
The authors wish to thank Yu. K. Grishin for discussions of the PMR spectra.
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Sigalov, A.B., Beletskaya, I.P. Reactions of phenyl derivatives of lanthanides with fluoroolefins. Russ Chem Bull 37, 364–369 (1988). https://doi.org/10.1007/BF00957447
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DOI: https://doi.org/10.1007/BF00957447