Give the structures of the products expected when (1) valine and (2) proline (or other compounds indicated) react with each of the following reagents:

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(a) ethanol (solvent), H₂SO4 catalyst (b) benzoyl chloride, Et N (c) aqueous HCl solution (d) aqueous NaOH solution (e) benzaldehyde, heat, NaCN (f) Fmoc-NHS ester, Na₂CO3, aqueous 1,2-dimeth- oxyethane, then neutralize with H3O+ (g) product of part (f) + DIC/HOBt + glycine tert-butyl ester (h) product of part (g) + anhydrous CF3CO₂H (i) product of part (h) + 20% piperidine in DMF (j) product of part (i) + 6 M aqueous HCl, heat