NEW PROCESS FOR PREPARING ARYLBORANES BY ARYLATION OF ORGANOBORON COMPOUNDS
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United States of America Patent
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Issued Date -
Jul 9, 2015
app pub date -
Jun 27, 2013
filing date -
Jul 13, 2012
priority date (Note) -
Abandoned
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Abstract
A new process for the preparation of an arylborane compound, by arylation of a B—H bond, which includes a step (1) of contacting an arenediazonium salt or a heteroarenediazonium salt with an organoboron compound containing at least one B—H bond, in a reaction medium containing a solvent, in the absence of base, in the absence or in the presence of an activating agent, for the preparation of an arylborane compound, and a possible step (2) of recovery and purification of the arylborane compound obtained at the step (1), the arylborane being in particular an aminoarylborane, and a possible step (3) of refunctionalization of the arylborane obtained at step (1) or (2) for the preparation of aryl boronic derivatives or arylborates.
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