Problems

1. How many tripeptide can be made from the naturally available 20 amino acids?
   
   
2. Propose a synthetic route for the following tripeptide: Val-Gly-Phe.
   
   
3. Calculate the overall yield of a pentapeptide if the yield of addition of each amino acid to the chain is 80%.
   
   

Text Book:


P. Y. Bruce and K J R. Prasad, Essential Organic Chemistry, Pearson Education, New Delhi, 2008.