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Studies in the Acid Catalysed Glycosylation of α-Tocopherol

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Veröffentlicht/Copyright: 2. Juni 2014
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Zeitschrift für Naturforschung B
Aus der Zeitschrift Zeitschrift für Naturforschung B Band 57 Heft 5

Condensation of α-tocopherol and 2,2,5,7,8-pentamethyl-6-hydroxychroman (the model compound) with peracetylated glucose, mannose and galactose was carried out. The influence of various acidic catalysts on the chemical yield and the stereochemical outcome of the glycosylation was investigated.

Keywords: α-Tocopherol; Glycosylation; Acidic Catalysis
Received: 2001-10-26
Published Online: 2014-6-2
Published in Print: 2002-5-1

© 1946 – 2014: Verlag der Zeitschrift für Naturforschung

Artikel in diesem Heft

  1. Redetermination of Bis(η4-1,3-cyclohexadiene)monocarbonyliron
  2. Synthesis and Reactivity of Diborane(4)yl Complexes
  3. Structure and Magnetism of REPtMg (RE = Pr,Nd, Sm)
  4. Spectroscopic Studies on Bis(3,5-di-t-butyl-1,2-benzoquinone 1-oximato)copper(II) and its Mixed-Ligand Complexes. Copper(II)-Radical Ferromagnetic Coupling
  5. Crystal Structures of Piperazinium Tetrabromocadmate(II)-Monohydrate [C4H12N2]CdBr4 · H2O, PiperaziniumTetraiodocadmate(II) [C4H12N2]CdI4, and Bis(trimethylsulphonium) Tetrabromocadmate(II) [(CH3)3S]2CdBr4
  6. A New Layered Chalcogenide in the System NiIn2S4-NiIn2Se4
  7. A New Strontium Lithium Titanium Oxide, SrLi2Ti6O14: Crystal Growth and Structure Determination
  8. Crystal Structures and Magnetic Properties of (2,2'-Dipyridyl)-(3-methoxysalicylaldiminato)copper(II) Perchlorate and (2,2'-Dipyridyl)-(4-methoxysalicylaldiminato)copper(II) Perchlorate
  9. Polysulfonylamine, CLI [1]. Starke und schwache Wasserstoffbrücken in den Kristallstrukturen von 8-Hydroxychinolinium- und 8-Aminochinolinium-dimesylamid / Polysulfonylamines, CLI [1]. Strong and Weak Hydrogen Bonding in the Crystal Structures of 8-Hydroxyquinolinium and 8-Aminoquinolinium Dimesylamide
  10. Polysulfonylamine, CLIII [1]. Schwache Wasserstoffbrücken mit aktivierten Methyldonoren: Kristallstrukturen von Cholinium-, Betainium- und Dimethyl[2-(dimethylamino)ethyl]ammonium-dimesylamid Polysulfonylamines, CLIII [1]. Weak Hydrogen Bonding with Activated Methyl Donors: Crystal Structures of Cholinium, Betainium and Dimethyl[2-(dimethylamino)ethyl]ammonium-dimesylamide
  11. Transition Metal Complexes of Derivatized Chiral Dihydro-1,2,4-triazin-6-ones, Part IV [1]. Synthesis and Structural Characterization of a Copper(II) Complex of (L)-3-Acetyl-5-benzyl-1-phenyl-4,5-dihydro-1,2,4-triazin-6-one Oxime
  12. Synthesis and Tautomeric Structure of 1,2-Bis-(7-arylhydrazono-7H-[1,2,4]triazolo[3,4-b][1,3,4]thiadiazin-3-yl)ethanes
  13. Linearly Fused Furochromones by Intramolecular Enaminone Reactions
  14. III. Thioanalogs of Sparteine Lactams. (+)-17-Thionosparteine and its Perchlorate Salt
  15. Studies in the Acid Catalysed Glycosylation of α-Tocopherol
  16. Synthesis of 9-Methoxy and 9-Acetoxy-3-amino-1-(4-methoxyphenyl)- 1H-benzo[f]chromene-2-carbonitriles via 2-(Imino-piperidin-1-yl-methyl)- 3-(4-methoxyphenyl)acrylonitrile as Intermediate
  17. Structure of Diastereomeric 10-Bromo-10,11-dihydroquinines
  18. (2S)-1-(4-Methoxyphenyl)-N-[(1R)-2-(4-methoxyphenyl)-1- methylethyl]-2-propanamine in Crude p-Methoxyamphetamine (PMA) Produced by the Leuckart Method
https://doi.org/10.1515/znb-2002-0515
Schlagwörter für diesen Artikel
α-Tocopherol; Glycosylation; Acidic Catalysis

Artikel in diesem Heft

  1. Redetermination of Bis(η4-1,3-cyclohexadiene)monocarbonyliron
  2. Synthesis and Reactivity of Diborane(4)yl Complexes
  3. Structure and Magnetism of REPtMg (RE = Pr,Nd, Sm)
  4. Spectroscopic Studies on Bis(3,5-di-t-butyl-1,2-benzoquinone 1-oximato)copper(II) and its Mixed-Ligand Complexes. Copper(II)-Radical Ferromagnetic Coupling
  5. Crystal Structures of Piperazinium Tetrabromocadmate(II)-Monohydrate [C4H12N2]CdBr4 · H2O, PiperaziniumTetraiodocadmate(II) [C4H12N2]CdI4, and Bis(trimethylsulphonium) Tetrabromocadmate(II) [(CH3)3S]2CdBr4
  6. A New Layered Chalcogenide in the System NiIn2S4-NiIn2Se4
  7. A New Strontium Lithium Titanium Oxide, SrLi2Ti6O14: Crystal Growth and Structure Determination
  8. Crystal Structures and Magnetic Properties of (2,2'-Dipyridyl)-(3-methoxysalicylaldiminato)copper(II) Perchlorate and (2,2'-Dipyridyl)-(4-methoxysalicylaldiminato)copper(II) Perchlorate
  9. Polysulfonylamine, CLI [1]. Starke und schwache Wasserstoffbrücken in den Kristallstrukturen von 8-Hydroxychinolinium- und 8-Aminochinolinium-dimesylamid / Polysulfonylamines, CLI [1]. Strong and Weak Hydrogen Bonding in the Crystal Structures of 8-Hydroxyquinolinium and 8-Aminoquinolinium Dimesylamide
  10. Polysulfonylamine, CLIII [1]. Schwache Wasserstoffbrücken mit aktivierten Methyldonoren: Kristallstrukturen von Cholinium-, Betainium- und Dimethyl[2-(dimethylamino)ethyl]ammonium-dimesylamid Polysulfonylamines, CLIII [1]. Weak Hydrogen Bonding with Activated Methyl Donors: Crystal Structures of Cholinium, Betainium and Dimethyl[2-(dimethylamino)ethyl]ammonium-dimesylamide
  11. Transition Metal Complexes of Derivatized Chiral Dihydro-1,2,4-triazin-6-ones, Part IV [1]. Synthesis and Structural Characterization of a Copper(II) Complex of (L)-3-Acetyl-5-benzyl-1-phenyl-4,5-dihydro-1,2,4-triazin-6-one Oxime
  12. Synthesis and Tautomeric Structure of 1,2-Bis-(7-arylhydrazono-7H-[1,2,4]triazolo[3,4-b][1,3,4]thiadiazin-3-yl)ethanes
  13. Linearly Fused Furochromones by Intramolecular Enaminone Reactions
  14. III. Thioanalogs of Sparteine Lactams. (+)-17-Thionosparteine and its Perchlorate Salt
  15. Studies in the Acid Catalysed Glycosylation of α-Tocopherol
  16. Synthesis of 9-Methoxy and 9-Acetoxy-3-amino-1-(4-methoxyphenyl)- 1H-benzo[f]chromene-2-carbonitriles via 2-(Imino-piperidin-1-yl-methyl)- 3-(4-methoxyphenyl)acrylonitrile as Intermediate
  17. Structure of Diastereomeric 10-Bromo-10,11-dihydroquinines
  18. (2S)-1-(4-Methoxyphenyl)-N-[(1R)-2-(4-methoxyphenyl)-1- methylethyl]-2-propanamine in Crude p-Methoxyamphetamine (PMA) Produced by the Leuckart Method
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