title: Thiopeptide Synthesis. alpha-Amino Thionoacid Derivatives of Nitrobenzotriazole as Thioacylating Agents.
authors.affiliation: Department of Chemistry and Materials Sciences Division, Lawrence Berkeley National Laboratory, University of California, Berkeley, California 94720.
authors.forename: M. Ashraf
authors.initials: MA
authors.lastname: Shalaby
authors.forename: Christopher W.
authors.initials: CW
authors.lastname: Grote
authors.forename: Henry
authors.initials: H
authors.lastname: Rapoport