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Amino-alditols

C-5 being determined by reduction of the intermediate imine from its [Pg.178]

Dimethyl galactarate serves as a source of 1,6-diamino-l,6-di-deoxy-galactitol, using a di-amide derivative to introduce the [Pg.178]

1-amino-1-deoxy-D-mannitol derivatives. Surface-active 2-acyl- [Pg.178]

6-Amino-l,5-anhydro-6-deoxy-D-glucitol, prepared in standard reactions from D-glucose, has been used to prepare compounds (26) [Pg.178]

The oxiran-aldonates (27) undergo intramolecular rearrangement via orthoester intermediates to give 2,5-anhydro-aldonates, which were used to make DL-epiallomuscarine (28) and DL-epimuscarine (29) [Pg.178]


L. E. Fellows, E. A. Bell, D. G. Lynn, F. Pilkiwicz, I. Miura, and K. Nakanishi, Isolation and structure of an unusual cyclic amino alditol from a legume, J. Chem. Soc., Chem. Commun. (1979) 977-978. [Pg.277]

Alditols and Amino-alditols. - A preparation of the tetritol (Cs-Ce) fragment, 1, of the macrolactone (+)-aspicilin, featured the desymmetrization of meso-erythritol through the formation and subsequent base-promoted dia-stereoselective acetal fission of a C2-symmetric his-sulfoxide intemediate, (Scheme 1,2- 3). ... [Pg.205]

Isomeric glucosylated amino-alditol derivatives, 17, derived from reaction of 2-amino-2-deoxy-mannit-6-yl and -glucit-6-yl a-D-glucopyranosides with methyl methacrylate, were co-polymerized and the physical properties of the resulting polymers were examined in water. [Pg.207]

Cyclic imino derivatives of amino-alditols.- Several laboratories have reported studies on these compounds, which can show glycosid-ase inhibitory activity. Fleet s group has studied the plant alkaloids (22)-(24) which are analogues of glucose, fructose, and mannose respectively analysis of the inhibitory activity of these compounds towards a variety of glycosidases has shown that the... [Pg.169]

Reductive amination reaction of the reducing carbohydrate with primary aromatic or heterocyclic amines in the presence of sodium cyano-borohydride yielding the corresponding amino-alditols, e.g.. [Pg.1028]

Amino alditols, derived from nitro alditols and from glycosylamines (Chapter VIII), may be converted to polyols by treatment with nitrous acid, but anhydro rings may be formed (p. 378). [Pg.261]

Alditols Acyclic Alditols Anhydro-Alditols Amino-Alditols... [Pg.362]

Syntheses of amino-alditol derivatives are covered in Chapters 18 and 19, and the introduction of a 2-acetamido-function into a sugar formazan derivative is covered in Chapter 10. [Pg.97]

Amino-Alditols. - Aldose oximes, e.p... of mannose and arabinose, can be reduced electrochemically to 1-aminoalditols glucose oxime reacted differently, because, it is proposed, of its strong tendency to cyclize to an N-glucosyl hydroxylamine derivative. l-Amino-2-acetamido-1,2-dideoxy-D-alditols have been prepared by sodium cyano-borohydride reduction of 2-acetamido-2-deoxy-glycosylamines (D-Glc, D-Man, and D- lc-D-Glc).6-(5-deoxy-D-ribit-5-yl)amino-uracil has been condensed with 2-chloro-4-hydroxybenzaldehyde to give a flavin derivative which was further elaborated to Redox Coenzyme Factor 420. ... [Pg.180]

Amino-Alditols. - Diaminodideoxytetritols have been prepared by standard procedures from butene-diol, mannitol, and tartaronitrile precursors to give stereoisomers of 1,4- or 2,3-diamino compounds... [Pg.179]

Oligosaccharide 1-deoxy-l-(4-trifluoroacetamidophenyl)amino-alditols can be oxidized to the corresponding reducing oligosaccharides with hydrogen peroxide, or to the corresponding 1-amino-l-... [Pg.179]

The synthesis of amino-alditol derivatives of naturally occurring hydrolysable tannins is mentioned in Chapter 7 and the preparation of some C-6 and C-7 analogues of lV-acetyl-6-amino-2,6-dideoxyneuraminic acid as well as the isolation and synthesis of the fungal metabolite nectrisine are covered in Chapter 9. The synthesis of 4-0-(p-D-galactopyranosyl) derivatives of deoxynojirimycin can be found in Chapter 3 and castanospermine derivatives are covered in Chapter 24. [Pg.207]

Amino-Alditols.- Anti-selective reduction of acyclic or-alkoxy and of, -dialkoxy ketone oximes occurs with aluminium hydride reagents, L-threo-ketotetrose derivatives (24) giving L-xylitol... [Pg.175]

A sensitive method for analysis of the constituent monosaccharide components of glycoproteins involved sequential acid hydrolysis, borotrltide reduction, re-N-acetylation, and radioactivity detection after separation of neutral alditols and amino-alditols on a cation-exchange resin in the Pb -form at 80°C. ... [Pg.248]

Maugard, T., Remaud-Simeon, M. and Monsan, P. (1998) Kinetic study of chemoselective acylation of amino-alditol by immobilized lipase in organic solvent effect of substrate ionization. [Pg.163]


See other pages where Amino-alditols is mentioned: [Pg.78]    [Pg.109]    [Pg.574]    [Pg.9]    [Pg.54]    [Pg.57]    [Pg.120]    [Pg.327]    [Pg.433]    [Pg.177]    [Pg.341]    [Pg.236]    [Pg.176]    [Pg.312]   


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Alditols

Amino-and Imino-alditols

Imino Derivatives of Amino-alditols

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