Effective oxygenation of 3,5-di-t-butylpyrocatechol catalysed by vanadium(III or IV) complexes
Abstract
Oxygenation of 3,5-di-t-butylpyrocatechol (1) to the corresponding muconic acid anhydride (2) and 2-pyrone (3) is efficiently catalysed by vanadium(III or IV) complexes.