Stereoselective Synthesis of Neu5Acα(2→5)Neu5Gc: The Building Block of Oligo/Poly(→5-OglycolylNeu5Gcα2→) Chains in Sea Urchin Egg Cell Surface Glycoprotein
Author(s) -
GangTing Fan,
ChenChang Lee,
ChunCheng Lin,
JimMin Fang
Publication year - 2002
Publication title -
the journal of organic chemistry
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.2
H-Index - 228
eISSN - 1520-6904
pISSN - 0022-3263
DOI - 10.1021/jo025988p
Subject(s) - chemistry , stereoselectivity , sialic acid , derivative (finance) , sea urchin , stereochemistry , dimer , combinatorial chemistry , biochemistry , organic chemistry , paleontology , financial economics , economics , biology , catalysis
The synthesis of a sialic acid dimer derivative, Neu5Acalpha(2-->5)Neu5Gc, is described. The synthetic strategy is based on the use of allyl alcohol to achieve an exclusive alpha-sialylation product. The allyloxy group is also a latent glycolic acid that provides the subsequent coupling with neuraminate with minimal protection-deprotection manipulations.
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