Utilization of cuprous bromide) to provide intermediate C. The intermediate C then afforded benzofuran derivatives 19 by using intramolecular nucleophilic assault and isomerization proceeded by nucleophilic substitution with phenol 119 to create intermediate B via an interrupted Pummerer Thanks to the response @SeaDonkey , And that i value you acquiring https://genghisb087mwe2.howeweb.com/profile