Sialic acid derivative with active ester groups

Details Sialic acid derivative with active ester groups Sialic acid derivative with active ester groups

C - Chemistry, Metallurgy

07

H

260/230.58

C07H 5/06 (2006.01) C07H 15/20 (2006.01) C07H 15/203 (2006.01)

Patent

CA 2003984

ABSTRACT Sialic acid derivative with active ester groups expressed with the formula [I] Image [ I ] Where R1 denotes hydrogen or acetyl group, R2 hydrogen or lower alkyl group, R3 C2H4, C3H6 or C2H2, R4 hydroxyl group, residue left after removing hydrogen from the alcohol portion of active ester or alkyloxycarbonyloxy group, Ac acetyl group, Ph phenyl group, X oxygen or sulfur. This sialic acid derivative has high reactivity because it has active ester groups in molecules and can be used as raw material or intermediate for synthesis of various sialic acid derivatives.

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