RUMORED BUZZ ON 4 FMA

There are plenty of strategies to assemble benzofuran rings. The most common methods are dehydration of phenoxyalkanone under acidic affliction,104 dehydration of o-hydroxybenzophenone below acidic condition,one hundred and five decarboxylation of o-acetylphenoxyacetic acid or ester underneath alkaline problem,106 and cyclization of o-hydroxybenzop