N-acetyl-3-fluoro-neuraminic acid derivatives and...

Details N-acetyl-3-fluoro-neuraminic acid derivatives and... N-acetyl-3-fluoro-neuraminic acid derivatives and...

C - Chemistry, Metallurgy

07

H

260/230.58

C07H 13/04 (2006.01)

Patent

CA 1314877

ABSTRACT OF THE DISCLOSURE This invention relates to novel derivatives of N-acetyl- 3-fluoro-neurminic acid derivatives (I) and preparation thereof. The compound (I) can be synthesized by reacting a solution of alkyl 5-acetamido-2,6-anhydro-4,7,8,9-tetra- O-acetyl-2,3,5-trideoxy-D-glycero-D-galacto-2-enonate with (i) an inert gas containing fluorine or (ii) acetylhypo- fluorite obtained by passing the inert gas containing fluorine through a mixture of acetic acid/acetate by passing thereinto, and then removing a solvent and apply- ing the residue through a silica gel column chromatogra- phy.

560354

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