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67670-69-3

N-ACETYL-2-CHLORO-2-DEOXYNEURAMINIC ACID METHYL ESTER 4,7,8,9-TETRAACETATE synthesis

5synthesis methods
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Yield:67670-69-3 100%

Reaction Conditions:

Stage #1: methanol;N-acetyl neuraminic acidwith Dowex 50W-X8-200(H+) at 20; for 2 h;
Stage #2: acetic anhydridewith pyridine at 20; for 48 h;
Stage #3: with hydrogenchloride;acetyl chloride at -50 - 20; for 20 h;

References:

Harrison, Jennifer A.;Kartha;Turnbull;Scheuerl, Shona L.;Naismith, James H.;Schenkman, Sergio;Field, Robert A. [Bioorganic and Medicinal Chemistry Letters,2001,vol. 11,# 2,p. 141 - 144]

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