| 摘要 |
<p>New method for the preparation of saccharide oxazoline derivatives (II) comprises reacting an acylamino sugar (I) with a metal fluoride. New method for the preparation of saccharide oxazoline derivatives of formula (II) comprises reacting an acylamino sugar of formula (I) with a metal fluoride. [Image] X : F, Cl, Br or I; R 1H or (CH 2) nCH 3; n : 0-5; R 2-R 6H, N 3, protected hydroxy, protected amino or YR 7; Y : O, NH or S; R 7mono or oligosaccharide residue with any OH, NH 2 or COOH groups protected. Provided that at least one of R 2 and R 3 and at least one of R 4 and R 5 is H.</p> |
