There are many strategies to construct benzofuran rings. The most common strategies are dehydration of phenoxyalkanone underneath acidic situation,104 dehydration of o-hydroxybenzophenone beneath acidic ailment,one zero five decarboxylation of o-acetylphenoxyacetic acid or ester underneath alkaline ailment,106 and cyclization of o-hydroxybenzophenone to construct benzofuran ring.107 T... https://riveruledy.liberty-blog.com/29942313/an-unbiased-view-of-o-dsmt