Patent: Transition metal-based selective functionalization of chalcogens in biomolecules. 49Patent Authors: Buchwald, Stephen L.; Pentelute, Bradley L.; Spokoyny, Alexander M.; Vinogradova, Ekaterina V.; Zhang, ChiWO 2016011107 A2Date Issued: January 21, 2016Patent Title: Transition metal-based selective functionalization of chalcogens in biomolecules.