4-alkoxycarbonyloxazoles as β-hydroxy-α-amino acid synthons: efficient stereoselective syntheses of 3-amino-2,3,6-trideoxyhexoses and a hydroxy amino acid moiety of Al-77-B
New methods and reagents in organic synthesis. 50. a stereoselective synthesis of a derivative of L-vancosamine, a carbohydrate component of the antibiotics vancomycin and sporaviridin
A derivative of L-vancosamine, a carbohydrate component of the antibioticsvancomycin and sporaviridin, has been prepared from L-lactic acid in a highly stereoselective manner.