Protecting groups play a pivotal role in the synthesis of nucleic acids, polypeptides, oligosaccharides, and natural products. One of the most frequently used protecting groups for the blocking of hydroxyl and amino functionalities of a compound is a benzoyl group. The classical method for benzoylation of hydroxyl and amino groups is the treatment of the substrate with benzoyl chloride/benzoic anhydride11. Schaller , H. , Weimann , G. , Lerch , B. and Khorana , HG ...