Other Notes Contains varying amounts of anhydride Packaging 5 g in glass bottle Application Reactant for: • Preparation of phenylboronic catechol esters as promising anion receptors for polymer electrolytes1 • Preparation of biaryls via palladium-catalyzed homocoupling reaction2 • Prepartion of quaternary a,a-heterodiaryl carboxylic esters via rhodium-catalyzed cross-coupling3 • C-C cross-coupling reactions4