141019-98-9Relevant academic research and scientific papers
Synthesis and protein binding properties of T-antigen containing GlycoPAMAM dendrimers
Baek, Myung-Gi,Roy, Rene
, p. 11 - 17 (2002)
Allyl O-(β-D-galactopyranosyl)-(1-3)-2-acetamido-2-deoxy-α-D-galactopyranoside (8) was prepared in excellent yield from the corresponding galactosyl bromide (6, 7) and allyl 2-acetamido-4,6-benzylidine-2-deoxy-α-D-galactopyranoside (5) using Hg(CN)2 as a promoter. Compound 5 was obtained from N-acetylglucosamine 1 following sequential protecting group strategy and C-4 epimerization as a key step. Carboxylic acid functionalized T-antigen derivative 15, obtained by radical addition of 3-mercaptopionic acid to allyl disaccharide 10, was conjugated to PAMAM dendritic cores 13-16 by an efficient amide coupling strategy using TBTU. GlycoPAMAM dendrimers having T-antigen residues with 4, 8, 16 and 32 valencies (17-20) were obtained in 73 to 99% yields. Their protein binding properties were demonstrated using peanut lectin from Arachis hypogaea and a mouse monoclonal IgG antibody. The higher valency conjugates generated stronger binding interactions indicating a cluster effect. The inhibitory potential of these glycoPAMAM conjugates toward antibody-coating antigen interactions was enhanced up to 3800 times over that of the monomeric T-antigen residue (10). Copyright
Building Units of Oligosaccharides, CII. - Synthesis of Modified Derivatives of 2-Acetamido-2-deoxy-D-galactose for the Examination of Substrate Specifities of Core 1-β3-Gal-Transferase and Core 3-β3-GlcNAc-Transferase Involved in the Biosynthesis of O-Gl
Paulsen, Hans,Rutz, Volker,Brockhausen, Inka
, p. 735 - 746 (2007/10/02)
The 2-, 3-, 4-, and 6-deoxy derivatives of benzyl 2-acetamido-2-deoxy-α-D-galactopyranoside (7) have been synthesized to test substrate specifities of glycosyltransferases involved in the biosynthesis of O-glycoproteins.The core 1-β3-Gal-transferase does
