Utilization of cuprous bromide) to provide intermediate C. The intermediate C then afforded benzofuran derivatives 19 by way of intramolecular nucleophilic assault and isomerization proceeded by nucleophilic substitution with phenol 119 to create intermediate B through an interrupted Pummerer Then again, — and This is actually the perilous portion — https://ermah221bzb0.thebindingwiki.com/user