1. Br (d) NH: 5. (a) NaOH, H₂O (g) CH₂OK, THE (j) NaSH, THF 2. Br ******* CI 6. wwwww (b) CH3CO₂, H₂O (e) NaCl, DMSO (h) Nal, CH, CN (k) HBr, THF CI 3. 7. 4. f (c) CH₂CO₂, DMSO (f) HCI, DMSO OH (i) NaCN, DMSO (1) KOt-Bu, t-BuOH

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