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[Synthesis of determinant oligosaccharides of the ABH (type 1) blood group antigen and Leb tetrasaccharide from a common precursor].

Bovin Nv, A Ia Khorlin

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Abstract

Synthesis of blood group ABH (type 1) determinant oligosaccharides and Leb tetrasaccharide has been performed using the same trisaccharide precursor-benzyl 2-acetamido-4,6-O-benzylidene-[4,6-O-benzylidene-2-O-[2-O-benzyl-3,4-di- O- (4-nitrobenzoyl)-alpha-L-fucopyranosyl]-beta-D-galactopyranosyl]-2-deoxy - alpha-D-glucopyranoside. A- and B-determinants were prepared by alpha-galactosaminylation and alpha-galactosylation of the title trisaccharide, respectively. Leb-determinant was synthesized by a series of simple blocking and deblocking steps followed by alpha-fucosylation.

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What this paper is about

Synthesis of blood group ABH (type 1) determinant oligosaccharides and Leb tetrasaccharide has been performed using the same trisaccharide precursor-benzyl 2-acetamido-4,6-O-benzylidene-[4,6-O-benzylidene-2-O-[2-O-benzyl-3,4-di- O- (4-nitrobenzoyl)-alpha-L-fucopyranosyl]-beta-D-galactopyranosyl]-2-deoxy - alpha-D-glucopyranoside. A- and B-determinants were prepared by alpha-galactosaminylation and alpha-galactosylation of the title trisaccharide, respectively. Leb-determinant was synthesized by a series of simple blocking and deblocking steps followed by alpha-fucosylation.

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Available abstract

Synthesis of blood group ABH (type 1) determinant oligosaccharides and Leb tetrasaccharide has been performed using the same trisaccharide precursor-benzyl 2-acetamido-4,6-O-benzylidene-[4,6-O-benzylidene-2-O-[2-O-benzyl-3,4-di- O- (4-nitrobenzoyl)-alpha-L-fucopyranosyl]-beta-D-galactopyranosyl]-2-deoxy - alpha-D-glucopyranoside. A- and B-determinants were prepared by alpha-galactosaminylation and alpha-galactosylation of the title trisaccharide, respectively. Leb-determinant was synthesized by a series of simple blocking and deblocking steps followed by alpha-fucosylation.

Key concepts: Tetrasaccharide, Trisaccharide, Chemistry, Fucosylation, Stereochemistry, Alpha (finance), Oligosaccharide, Protecting group

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[Synthesis of determinant oligosaccharides of the ABH (type 1) blood group antigen and Leb tetrasaccharide from a common precursor]. — Research Paper | ScholarLens