Carbohydrate Chemistry

Section I: Synthetic Methods. Highly Stereoselective 1,2-cis-Glycosylations Employing C-2 (S)-(Phenylthiomethyl)benzyl Ether as a Chiral Auxiliary. Regioselective Reductive Openings of 4,6-O-Benzylidene-Type Acetals Using LiAlH4-AlCl3. A Facile Method for Oxidation of Primary Alcohols to Carboxylic Acids in Carbohydrate Synthesis. Ultrasonic Energy Promoted Allylation to Generate 1-C-(2,3,4,6-Tetra-O-benzyl-α-d-glucopyranosyl)prop-2-ene. Synthesis of a Multivalent Glycocyclopeptide Using Oxime Ligation. Reductive Amination Methodology for Synthesis of Primary Amines from Unprotected Synthons. General Preparation of Imidazole-1-sulfonate Esters. Regioselective Monoacylation and Monoalkylation of Carbohydrates Catalyzed by a Diarylborinic Ester. The Synthesis of Carbamates from Alkenylamines. Hydrolysis of Thioglycosides Using Anhydrous N-Iodosuccinimide (NIS) and Trifluoroacetic Acid (TFA). Highly Diastereoselective Construction of l-Heptosides by a Sequential Grignard Addition/Fleming-Tamao Oxidation. Synthesis of Fluorinated Exo-glycals Mediated by Selectfluor. A Direct and Stereospecific Approach to the Synthesis of α-Glycosyl Thiols. Efficient Microwave-Assisted Synthesis of 1′,2,3,3′,4,4′,6-Hepta-O-benzyl-sucrose and 1′,2,3,3′,4,4′-Hexa-O-benzylsucrose. Section II: Synthetic Intermediates. Oligosaccharide-Salicylaldehyde Derivatives as Precursors of Water-Soluble, Biocompatible Anion Receptors. Allyl 3,4,6-Tri-O-Benzyl-α-d-Mannopyranoside. Synthesis of a Spacer-Armed 6′-Sialyl-N-Acetyllactosamine. Synthesis of β-(1→3)-mannobiose. Phenyl 4,6-O-Benzylidene-1-thio-α-d-mannopyranoside. Synthesis of 1,3,4,6-Tetra-O-acetyl-α-d-glucopyranose Revisited. Synthesis of 4,6-O-Benzylidene Acetals of Methyl α-d-Glucopyranoside, Ethyl 1-Thio-β-d-gluco- and Galactopyranoside. Synthesis of α-N-Acetylneuraminic Acid Methyl Glycoside. Synthesis of Ammonium 3-Deoxy-d-manno-oct-2-ulopyranosylonate (Ammonium Kdo). Synthesis and Characterization of Tetra-O-propargyl Pentaerythritol. Improved Synthesis of Ethyl (2,3,4,6-Tetra-O-acetyl-β-d-galactopyranosyl)-(1→3)-4,6-O-benzylidene-2-deoxy-1-thio-2-trichloroacetamido-β-d-glucopyranoside. Synthesis of α-d-Galactofuranosyl Phosphate. Synthesis of 1,2 4,5-Di-O-(3,3-pentylidene)arabitol via Kinetic Acetal Formation. 1,2-Anhydro-3,4,6-tri-O-benzyl-β-d-mannopyranose. Synthesis of Glucosyl C-1 Dihalides from Tetra-O-acetyl-β-d-glucopyranosyl Chloride. Synthesis of 3,4,6-Tri-O-acetyl-d-galactal. Efficient Synthesis of Hepta-O-acetyl-β-lactosyl Azide via Phase Transfer Catalysis. Synthesis of 2,3,4,6-Tetra-O-acetyl-α-d-mannopyranosyl Azide. Synthesis of Phenyl 2,3,4,6-Tetra-O-acetyl-1-thio-β-d-galactopyranoside. An Alternative, Large-Scale Synthesis of 1,2 5,6-Di-O-isopropylidene-α-d-ribo-hex-3-ulofuranose.