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Bis(neopentyl glycolato)diboron


Other Names:

5,5,5',5'-Tetramethyl-2,2'-bi-1,3,2-dioxaborinane





General Information:


Structure:



CAS Number: 201733-56-4

Molecular Weight: 225.89 g/mol

Melting Point: 180.5-184.5 C


Bis(neopenyl glycolato)diboron is a boronating agent which provides the corresponding boronate ester via Pd-catalyzed coupling, similar to bis(pinacolato)diboron. Bis(neopenyl glycolato)diboron has been found to be more efficient than bis(pinacolato)diboron for the synthesis of hindered ortho-substituted arylboronic acids. Neopentylato boronic esters are more readily hydrolyzed to boronic acids than their corresponding pinacolato esters.




References:


1) www.sigmaaldrich.com: Bis(neopentyl glycolato)diboron (link)

2) www.alfa.com: L18675 Bis(neopentyl glycolato)diboron, 97% (link)