Question

Part A Predict the product formed when the compound shown below undergoes Claisen condensation followed by acidic workup. (The product incorporates two equivalents of the starting material.) Interactive 3D display mode ҫн, о H,с ОМe Draw the molecule on the canvas by choosing buttons from the Tools (for bonds), Atoms, and Advanced Template toolbars. The single bond is active by default.

Answer 1

CH3 OMe The ester having acidic H at p carbon alsa kvoon as B keto ester hn BKeto ester react with sadium Salt Condansattan alcohol ollowed by acidrc work up givex product The reacton Is Known as claiden Condinsahon Condansahion Produet reachan Сиз OMeONg ome ome ЦС "CИg сnз 1зс Mechanismd n step L removal acielrc proton by Ch3 Ocur с Стз + Сh,ои Сh Сig enolale lon Nucleophilic attack d orred enolatl ion at ester In Step Спо СИЗ Ст ore ome -Сy вря Can (3) The H between two c-o groub beCome more acidic and cupro tonated easily wih C00 and gives Coresbo ding Sodium sall

Chs сэл o me +Choh ome Сhg enolate lon gс 1he above fomed enolate ion upon acidrc workup or H gives B diketone Combound Спз me LOme Си, Ch cn3 Final Product