Synthesis of the tetrasaccharide repeating-unit of the lipopolysaccharide isolated from <i>pseudomonas maltophilia</i>期刊界 All Journals 搜尽天下杂志传播学术成果专业期刊搜索期刊信息化学术搜索

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Synthesis of the tetrasaccharide repeating-unit of the lipopolysaccharide isolated from pseudomonas maltophilia

Authors:	Andr s Lipt k Lajos Szab J nos Ker kgy rt J nos Harangi and P l N n si Helmut Duddeck

Institution:	Institute of Biochemistry, L. Kossuth University, H-4010 Debrecen Hungary Lehrstuhl für Strukturchemie der Ruhr-Universität, D-4630 Bochum F.R.G.

Abstract:	The title tetrasacharide having the structure 3-O-Me-β- -Xylp-(1→4)-- -Rhap-(1→4)-- -Rhap-(1→2)- -Rhap was obtained by reaction of the -acetobromo derivative of 4-O-(3-O-methyl-β- -xylopyranosyl)- -rhamnopyranose and benzyl 3,4-di-O-benzyl-2-O-(2,3-O-isopropylidene-- -rhamnopyranosyl)-- -rhamnopyranoside, followed by removal of the protecting groups. The synthesised compounds were characterised on the basis of n.m.r. data.

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