Match each of the molecules A through D below with the reaction of which it was

Question

Match each of the molecules A through D below with the reaction of which it was most likely the major organic product. One reaction will not match any of the compounds shown.

Compound A

      [ Choose ]            Aldol addition            Michael reaction            Aldol condensation            Claisen condensation            Decarboxylation of beta-ketoacid      

Compound B

      [ Choose ]            Aldol addition            Michael reaction            Aldol condensation            Claisen condensation            Decarboxylation of beta-ketoacid      

Compound C

      [ Choose ]            Aldol addition            Michael reaction            Aldol condensation            Claisen condensation            Decarboxylation of beta-ketoacid      

Compound D

[ Choose ]            Aldol addition            Michael reaction            Aldol condensation            Claisen condensation            Decarboxylation of beta-ketoacid    

Explanation / Answer

Compound A represents Decarboxylation of beta-ketoacid.

Compound B represents Micheals reaction

(active methylene group reacts with alpha beta unsaturared carbonyl compound)

Comppound C represents Claisen condensation (beta keto esters are formed)

Compound D is represents aldol condensation (alpha beta unsaturared carbonyl compound is formed)

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