There are numerous ways to construct benzofuran rings. The most typical approaches are dehydration of phenoxyalkanone under acidic condition,104 dehydration of o-hydroxybenzophenone below acidic issue,one hundred and five decarboxylation of o-acetylphenoxyacetic acid or ester less than alkaline ailment,106 and cyclization of o-hydroxybenzophenone to build benzofuran ring.107 These fou... https://elliottkifea.daneblogger.com/29321410/emoxypine-can-be-fun-for-anyone