Výsledky vyhledávání - "N E, Baĭramova"

[1,6-Anhydro-N-Acetyl- beta-D-glucosamine in oligosaccharide synthesis: II. synthesis of a spacered Ley tetrasaccharide]

Autor: N E, Baĭramova, A B, Tuzikov, T V, Tyrtysh, N V, Bovin

Publikováno v: Bioorganicheskaia khimiia. 33(1)

3-Aminopropyl glycoside of 3,2'-di-O-alpha-L-fucosyl-N-acetyllactosamine (Ley tetrasaccharide) was synthesized. The glycosyl donor, 2-O-acetyl-3,4,6-tri-O-benzoyl-alpha-D-galactopyranosyl bromide, was coupled with glycosyl acceptor, 1,6-anhydro-2-ace

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=pmid________::531d12473c65d0c97872022564e4d819
https://pubmed.ncbi.nlm.nih.gov/17375666

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16-anhydro-N-acetyl-beta-D-glucosamines in synthesis of oligosaccharides. I. Synthesis of 3-acetate and 3-benzoate of 16-anhydro-N-acetyl-beta-D-glucosamine through a 4-O-trityl derivative

Autor: T V, Tyrtysh, N E, Baĭramova, N V, Bovin

Publikováno v: Bioorganicheskaia khimiia. 26(6)

3-O-Acetyl and 3-O-benzoyl derivatives of 1,6-anhydro-N-acetyl-beta-D-glucosamine were synthesized via its selective tritylation followed by the 3-O-acylation and removal of the trityl protective group. Tritylium trifluoromethanesulfonate, which can

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=pmid________::6458e4c6494eb69a7e2bcea62239c1ba
https://pubmed.ncbi.nlm.nih.gov/10923195

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[Synthesis of Neu5Ac(alpha2--6)[Gal(alpha1--3)]GalNAcalpha and Neu5Ac(alpha2--6)[Gal(beta1--3)]GalNAcalpha trisaccharides as protected trifluoroacetamidopropyl glycosides]

Autor: L A, Simeoni, N E, Baĭramova, N V, Bovin

Publikováno v: Bioorganicheskaia khimiia. 25(1)

Protected sialo-containing trisaccharides, fragments of oligosaccharide chains of mucin glycoproteins, were synthesized. Regioselective sialylation of the primary hydroxyl group of (3-fluoroacetamidopropyl)-2-azido-2-deoxy-3-O-(2,3,4,6-tetra-O-ben zy

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=pmid________::5c6693ebf556e0c143e10389c33d351e
https://pubmed.ncbi.nlm.nih.gov/10234446

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[Mono- and polyvalent synthetic sialosides as inhibitors of Mycoplasma pneumoniae adhesiveness]

Autor: I P, Tokovenko, L P, Malinovskaia, I G, Skripal', N E, Baĭramova, L V, Mochalova, A B, Tuzikov, N V, Bovin

Publikováno v: Mikrobiolohichnyi zhurnal (Kiev, Ukraine : 1993). 56(6)

Nine mono- and polyvalent sialosides as substances inhibiting adhesive properties of mycoplasma Mycoplasma pneumoniae--the agent of human atypical pneumonia have been studied in the reaction of hemagglutination (RHA) using solid-phase variant of ELIS

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=pmid________::8f6e8aeacc7e5539407d143e59ad86b7
https://pubmed.ncbi.nlm.nih.gov/7894726

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[The inhibition of Mycoplasma pneumoniae adhesion in a fetuin test system by synthetic analogs and polymeric forms of neuraminic acid]

Autor: I P, Tokovenko, I G, Skripal', L P, Malinovskaia, N E, Baĭramova, L V, Mochalova, A B, Tuzikov, N V, Bovin

Publikováno v: Mikrobiolohichnyi zhurnal (Kiev, Ukraine : 1993). 56(1)

Eight glycosides and structural analogues of neuraminic acid as well as eight polymeric forms of N-acetyl neuraminic acid have been studied for their inhibitory effect on adhesion of Mycoplasma pneumoniae. Maximum inhibiting effect among low-molecula

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=pmid________::ce691b65b906ec22871657165699bf2b
https://pubmed.ncbi.nlm.nih.gov/7522086

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[Synthesis of oligosaccharide fragments of O-specific Shigella flexneri polysaccharides. II. Synthesis of trisaccharide Glc alpha1----3RHa alpha1----2Rha alpha1----OMe and tetrasaccharide GlcNAc beta1----2(Llc alpha1----3)Rha alpha1----2Rh alpha1----OMe]

Autor: L V, Bakinovskiĭ, A R, Gomtsian, N E, Baĭramova, N K, Kochetkov

Publikováno v: Bioorganicheskaia khimiia. 11(2)

Methyl glycosides of the title linear trisaccharide and branched tetrasaccharide were synthesized by stepwise glycosylation. These oligosaccharides represent the fragments of O-antigenic polysaccharides of Shigella flexneri serotypes 2b, 3a, 5b, and

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=pmid________::8cba7a9def0ef6838aca97176baf3bec
https://pubmed.ncbi.nlm.nih.gov/2581587

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[Synthesis of oligosaccharide fragments of O-specific polysaccharides of Shigella flexneri. III. Synthesis of the tetrasaccharide Glc alpha 1-3Rha alpha 1-2(Glc alpha 1-3)Rha alpha 1-OMe and the pentasaccharide GlcNAc beta 1-2(Glc alpha 1-3)Rha alpha 1-2(Glc alpha 1-3)Rha alpha 1-OMe]

Autor: L V, Bakinovskiĭ, A R, Gomtsian, N E, Baĭramova, N K, Kochetkov

Publikováno v: Bioorganicheskaia khimiia. 11(5)

Two synthetic schemes to prepare the title branched tetrasaccharide and pentasaccharide are described. These oligosaccharides represent fragments of the O-antigenic polysaccharides of Shigella flexneri serotype 5b.

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=pmid________::35227363cb4cf6ce10b7d2cf5bd86ac3
https://pubmed.ncbi.nlm.nih.gov/2412567

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[Synthesis of a repeating unit and the dimer of the repeating unit of the major chain of Shigella flexneri O-antigen polysaccharide]

Autor: Iu E, Tsvetkov, N E, Baĭramova, L V, Bakinovskiĭ, N K, Kochetkov, N F, Iankina

Publikováno v: Bioorganicheskaia khimiia. 12(9)

Methyl glycoside of the tetrasaccharide GlcNAc(beta 1-2)Rha(alpha 1-2)Rha(alpha 1-3)Rha, which represents a repeating unit of the basic chain of Shigella flexneri O-antigenic polysaccharides, was synthesized using acylated monosaccharide synthons. A

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=pmid________::76b8807d5a27fc9dec32c2b347616d4f
https://pubmed.ncbi.nlm.nih.gov/2430581

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