What are the products of each of the following reactions? Your answer should account for all the amino acid residues in the starting peptides.
(a) Reaction of Leu-Gly-Ser with 1-fluoro-2, 4-dinitrobenzene
(b) Hydrolysis of the compound in part (a) in concentrated hydrochloric acid (100°C)
(c) Treatment of Ile-Glu-Phe with C6H5N=C=S, followed by hydrogen bromide in nitromethane
(d) Reaction of Asn-Ser-Ala with benzyloxycarbonyl chloride
(e) Reaction of the product of part (d) with p-nitrophenol and N,
N-dicyclohexylcarbodiimide
(f) Reaction of the product of part (e) with the ethyl ester of valine
(g) Hydrogenolysis of the product of part (f) over palladium