Summary
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1.
Reaction between dialkylborinic esters and diborane gives alkaneboronic esters and also dialkyl- and tetraalkyl-diboranes, the relative amounts of which are determined by the proportions of the reactants.
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2.
Under these conditions, slowly at room temperature but rapidly at 100°, unsymmetrical dialkyldiboranes are isomerized into symmetrical dialkyldiboranes.
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Mikhailov, B.M., Vasil'ev, L.S. Organoboron compounds. Russ Chem Bull 11, 580–584 (1962). https://doi.org/10.1007/BF00904756
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DOI: https://doi.org/10.1007/BF00904756