20834-61-1

It is used in pharmaceutical intermediates and as medicine. When 2-Bromo-4,6-di-tert-butylphenol was treated with potassium ferricyanide in benzene 1,4-dihydro-4-bromo-2,4,6,8-tetra-tert-butyl-1-oxodibenzofuran was yielded with a small amount of 2,4,6,8-tetra-tert-butyldibenzofuran.