Synthesis of 2-deoxy-2-fluoro analogs of polyprenyl beta-D-arabinofuranosyl phosphates. 2006

Maju Joe, and Todd L Lowary
Department of Chemistry and Alberta Ingenuity Centre for Carbohydrate Science, Gunning-Lemieux Chemistry Centre, University of Alberta, Edmonton, Canada AB T6G 2G2.

Described is the synthesis of polyprenyl 2-deoxy-2-fluoro-beta-D-arabinofuranosyl phosphate derivatives, including an analog of decaprenyl beta-D-arabinofuranosyl phosphate, the donor species used by the arabinosyltransferases involved in mycobacterial cell-wall biosynthesis. The targets were synthesized via a route involving the synthesis of a protected beta-D-arabinofuranosyl phosphate derivative, its coupling with a polyprenyl trichloroacetimidate, and then deprotection of the resulting product. The use of arabinofuranosyl phosphates with the monosaccharide hydroxyl groups protected as either silyl ethers or benzoate esters was explored. Although the coupling yields between the phosphate and polyprenyl trichloroacetimidates were comparable with either type of protecting group, access to the benzoyl-protected derivative was more efficient and therefore gave the products in higher overall yield.

UI MeSH Term Description Entries
D010428 Pentosephosphates
D011105 Polyisoprenyl Phosphate Sugars Compounds functioning as activated glycosyl carriers in the biosynthesis of glycoproteins and glycophospholipids. They include the polyisoprenyl pyrophosphates. Isoprenoid Phosphate Sugars,Sugar Pyrophosphorylpolyprenols,Phosphate Sugars, Isoprenoid,Phosphate Sugars, Polyisoprenyl,Pyrophosphorylpolyprenols, Sugar,Sugars, Isoprenoid Phosphate,Sugars, Polyisoprenyl Phosphate
D001089 Arabinose L-Arabinose,L Arabinose
D013729 Terpenes A class of compounds composed of repeating 5-carbon units of HEMITERPENES. Isoprenoid,Terpene,Terpenoid,Isoprenoids,Terpenoids
D019906 Nuclear Magnetic Resonance, Biomolecular NMR spectroscopy on small- to medium-size biological macromolecules. This is often used for structural investigation of proteins and nucleic acids, and often involves more than one isotope. Biomolecular Nuclear Magnetic Resonance,Heteronuclear Nuclear Magnetic Resonance,NMR Spectroscopy, Protein,NMR, Biomolecular,NMR, Heteronuclear,NMR, Multinuclear,Nuclear Magnetic Resonance, Heteronuclear,Protein NMR Spectroscopy,Biomolecular NMR,Heteronuclear NMR,Multinuclear NMR,NMR Spectroscopies, Protein,Protein NMR Spectroscopies,Spectroscopies, Protein NMR,Spectroscopy, Protein NMR

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