The Thioglycoside and Glycosyl Phosphite of 5-Azido Sialic Acid: Excellent Donors for the alpha-Glycosylation of Primary Hydroxy Groups This research was supported by Academia Sinica (Taipei) and the NIH (USA)

Angew Chem Int Ed Engl. 2001 Aug 3;40(15):2900-2903.
No abstract available