3. A. Write the product/s formed in each case. (36 pts) HO 1. NaOEI/EtOH 2. Br CN 1. DIBAL-H 2. H₂O 3. 2. 1. LDA, THF, -
Posted: Thu Jul 07, 2022 1:54 pm
3. A. Write the product/s formed in each case. (36 pts) HO 1. NaOEI/EtOH 2. Br CN 1. DIBAL-H 2. H₂O 3. 2. 1. LDA, THF, -78°C OMe H+ 1. LDA 2. EtBr Br NH₂ Br 1. NaOMe/MeOH 2. PhCH₂CH₂Cl H₂N. Br OH OH COOH COOH HO A H+ CN 1. PPh3 2. BuLi 3. O CH₂OH, H* H+ OH A 1. EtMgBr 2. H₂O+ 4. A) Propose a synthesis for compound B from compound A using witting reaction. (6 pts) O O B A) Propose a synthesis for the Witting reagent used in the synthesis above from appropriate alkyl halide. Show the synthesis step by step with all the reagents required for each step. (6 pts)