Patent: Protecting Groups Useful in the Synthesis of Polysaccharides, Natural Products, and Combinatorial Libraries 34Patent Authors: Buchwald, S.L.; Plante, O.J.; Seeberger, P.H.U.S. Patent No. 7,102,023Date Issued: September 5, 2006Patent Title: Protecting Groups Useful in the Synthesis of Polysaccharides, Natural Products, and Combinatorial Libraries