Monday, February 28, 2011 CHM 2211-8487 Quiz #07 Form APage 1 of 1Please Last PRINTname:First name: UFID:______/20 pts. Put your answers in the spaces, or check Ror insert your answer 1.(8 pts) See Example 19.8 (b); Problem 19.34 (c)For the retrosynthetic analysisof cyclopentanone, use the Dieckmann condensation. (a)Draw the structure of the precursor (ester) molecule. (b) Draw the structures of the starting material. (c)For the actual synthesis starting from (b), provide the reagentsfor steps 1 and 2. (d)Provide reagentsand/or reaction conditionsfor steps 3, 4, and 5. O(a) Precursor (ester)O(b) Starting materialStep 1:Step 2:HCl, H2O(c) Reagents for steps 1, 2EtONaStep 3:Step 4:Step 5:!HCl, H2ONaOH, H2O, !(d) Reagents, rxn conditions for steps 3, 4, and 5CO2EtCO2EtCO2Et_____ 2.(7 pts) See Problems 19.50(a)Draw curved electron arrowsto show how the enamine reacts with the α,βunsaturated ketone. (b)Draw (complete) the structure of the resulting
This is the end of the preview. Sign up
access the rest of the document.