An improved synthesis of benzyl 3,5-di- O -benzyl-2-deoxy-1,4-dithio- d - erythro -pentofuranoside, an intermediate in the synthesis of 4′-thionucleosides
An improved synthesis of benzyl 3,5-di- O -benzyl-2-deoxy-1,4-dithio- d - erythro -pentofuranoside, an intermediate in the synthesis of 4′-thionucleosides