There are many methods to assemble benzofuran rings. The most common approaches are dehydration of phenoxyalkanone below acidic condition,104 dehydration of o-hydroxybenzophenone underneath acidic problem,one zero five decarboxylation of o-acetylphenoxyacetic acid or ester less than alkaline situation,106 and cyclization of o-hydroxybenzophenone to construct benzofuran ring.107 These ... https://elliotfebxu.bloggazzo.com/29277864/5-tips-about-eutylone-crystal-you-can-use-today