Question

SINGLE STEP SYNTHESIS: Predict the MAJOR product(s) or reactants corresponding to the blank spaces in the following reactions. Don't forget to indicate stereochemistry if it is required. Mechanisms are not necessary, but showing your work is likely to help you out. [3 each blank] ambient oMe heat benzene + isomers Intramolecular Diels-Alder Dexcess LIAID 2) H0 isomes

Answer 1

Q.1) intramolecular Diel's Alder reaction-

Со не moo % HCN WICH NC ome ome

Q.2. Use Felkin-Anh model since it is alpha- chiral carbonyl compound.

Dexcess LALO4 view Use felkin. Anh model. OH LAIDY ho o CH ---------------- no Ph C LiAlDy ho Hollllll rotate KK you H 011111

Q. 3. Electrophilic bromination of enolate.

Brz Te Bra to fe Brz 2 febrz

Q. 4. Preparation of Grignard reagent and its addition to carbonyl compound -here aldehyde to give secondary alcohol since aldehyde is other than formaldehyde.

Bor Dmg, Etz - 3 Bot ttoo