See image — AITS & Test Series Chemistry Question

💡 Solution & Explanation

Sol. C CO C CO O O O + H N—CH—CO H 2 2 N—CH—CO H 2 | R1 | R1  PCl5 C CO C CO O O N—CH—COCl N—CH—C—NH—CH—CO H 2 |R1 | R1 | R1 | R2 H N—CHCO H 2 2 MgO C C O O + NH —CH—CO—NH—CH—CO H 2 2 | R1 | R2 (i) N H /C H OH (ii) HCl 2 4 2 5 NH NH |