3-Ethoxy-2-cyclopentenone (3-Ethoxy-2-cyclopenten-1-one) may be used as a starting material in the synthesis of the following:allylic cyclopentenyl alcohols like 2-cyclopentenol, 3-methyl-2-cyclopentenol and 3-methoxymethaoxymethyl-2-cyclopentenol3-aminocyclopent-2-en-1-one(E)-5-(((2S*,3S*)-3-((benzyloxy)methyl)oxiran-2- yl)methylene)-3-ethoxycyclopent-2-enone, an γ,δ -epoxy-α,β-unsaturated cyclic enone