Question

The adol condensation of 2,2-dimethylpropanal (A) with acetophenone (B) gives (E)-4-4-dimethyl-1-phenylpent-2-en-1-one (C) and H20 (D)> Compounds/Ions (E-k) are possible reactive intermediates for this reaction. The energy/ reaction coordinate diagram for the mechanism below Place the letters for the reactants, products, and reactive intermediates in their appropriate place on the diagram.

imethyl-1-phenylpent-2-en- 1-one (C) and H20 (D). Compounds/ions (E-K) are possible reactive intermediates for this reaction. The energy/reaction coordinate diagram for th mechanism of this reaction is given below. Place the lett reactive intermediates in their appropriate place on this diagram. (7 points) enone (B) gives (E)-4,4 6. The aldol condensation of 2,2-dimethylpropanal (A) with acetoph er(s) for the reactants, products and кон EtOH, heat +H2O H O 心、H O он о 90% O Reaction Coordinate 7. Shown below are three NMRs ('H and 13C) and six structures. Assign the letter of the correct structure to each spectrum. (5 points each) NH2 H2N

Answer 1

ons (E-K) are possible 6. The aldol condensation of 2.2-dimethy ipropanal (Aj with acetophenone (B) gives tB for the reaction coordinate diagrum t reactive intermedistes for this renction. The energy mechanism of this reaction is given dimethyl-i-phenytpent-2-en-1-one (C) and O (D). Cormpoundsli f below. Place the lctter(s) for the reactants, products and teactive intermediates in cheir appropriaie piace on this diugram.(7 points) KOH EIOH, heal + H3O CH O но но Reacton Coerdinaic 7. Shown below are three NMRs (H an C) and six structures, Assign the letter of the correct structure to euch spectrum.(5 points cuch)

&qZZGY,СА▼ . EA.Prthea@◆SDH #Ad+4aAKS.EPE34ueE,Y,,PDESAP , Ew® ▼ ▼ Kov aç when KoH EA OH E1 ce o H 2 (D