Which of the following dipeptides is formed when tyrosine is treated with (Boc)₂O and proline is treated with benzyl alcohol first and then reacted in the presence of DCC followed by treatment with trifluoroacetic acid and aqueous NaOH?

Question

Quizplus · Accepted Answer

(Boc)₂O is the protection group for tyrosine, which means it is not involved in the formation of the dipeptide. It is only used to protect the amino group of tyrosine. Therefore, when tyrosine is treated with (Boc)₂O and proline is treated with benzyl alcohol first and then reacted in the presence of DCC followed by treatment with trifluoroacetic acid and aqueous NaOH, only the tyrosine and proline will react to form the dipeptide Tyr-Pro. The other options are not possible based on the given information.

Which of the Following Dipeptides Is Formed When Tyrosine Is