Boronic acid and boronic ester containing polyoxometalates

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Boronic acid and boronic ester containing polyoxometalates.

Three organoboron functionalized polyoxometalates have been synthesized using Schiff base chemistry including a boronic acid, its methyl ester and its trimethylene glycol ester. The compounds have been characterized in the solid state by single crystal diffraction (XRD), FT-IR and elemental analysis and in solution using 1H NMR spectroscopy.

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Chemoselective Boronic Ester Synthesis by Controlled Speciation**

Control of boronic acid solution speciation is presented as a new strategy for the chemoselective synthesis of boronic esters. Manipulation of the solution equilibria within a cross-coupling milieu enables the formal homologation of aryl and alkenyl boronic acid pinacol esters. The generation of a new, reactive boronic ester in the presence of an active palladium catalyst also facilitates strea...

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ژورنال

عنوان ژورنال: Dalton Transactions

سال: 2016

ISSN: 1477-9226,1477-9234

DOI: 10.1039/c6dt04197c