Summary
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1.
The reaction of triisobutylboron and of diborane with styrene both yield a mixture of tri-(phenylethyl)borons, containing the boron atom in both the α- and Β -positions to the phenyl group.
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2.
Tri-(Β -phenylethyl)boron when heated is partially isomerized to tri-(α -phenylethyl)boron.
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G. Natta, P. Pino, G. Mazzanti, P. Longi, and F. Bernardini, J. Amer. Chem. Soc.81, 2561 (1959).
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The quantitative determination of the composition of the mixture was done in the Optical Laboratory by N. A. Chumaevskii, for which the authors express their deep gratitude.
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Zakharkin, L.I., Zhigareva, G.G. Reaction of triisobutylboron and diborane with styrene. Russ Chem Bull 10, 343–344 (1961). https://doi.org/10.1007/BF00919582
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DOI: https://doi.org/10.1007/BF00919582