2024-03-28T16:27:05Zhttps://eprints.lib.hokudai.ac.jp/dspace-oai/requestoai:eprints.lib.hokudai.ac.jp:2115/356132022-11-17T02:08:08Zhdl_2115_20044hdl_2115_124Direct and stereoselective synthesis of 2-azido-2-deoxy-β-D-mannosides using the phosphate methodNakamura, SeiichiTsuda, ToshifumiSuzuki, NoritoshiHashimoto, Shunichi430TMSOTf-promoted glycosidation of 2-azido-3-O-benzyl-4,6-O-benzylidene-2-deoxy-α-D-mannosyl diphenyl phosphate with a variety of acceptor alcohols in CH2Cl2 at -30℃ in the presence of pulverized 4-Å molecular sieves (MS) afforded 2-azido-2-deoxy-β-mannosides in high yields and with good to high β-selectivities.The Japan Institute of Heterocyclic ChemistryJournal Articleapplication/pdfhttp://hdl.handle.net/2115/35613https://eprints.lib.hokudai.ac.jp/dspace/bitstream/2115/35613/1/COM-08-S%28F%29108.pdf0385-54141881-0942AA00663739Heterocycles7728438482009-02-01enginfo:doi/10.3987/COM-08-S(F)108author