3-Deoxy-D-galactono-1,4-lactone (3-deoxy-D-xylo-hexono-1,4-lactone)
نویسندگان
چکیده
منابع مشابه
3-Deoxy-D-arabino-heptulosonate 7-Phosphate Synthase
The phenylalanine-sensitive 3-deoxy-marabino-heptulosonate ?-phosphate synthase (7-phospho-2-keto-3deoxy-D-arabino-heptonate D-erythrose-4-phosphate lyase (pyruvate phosphorylating), EC 4.2.1.15) was purified to apparent homogeneity from extracts of Escherichia coli K12. The enzyme has a molecular weight of 140,000 as judged by gel filtration and sedimentation equilibrium analysis. The enzyme h...
متن کاملFacile synthesis of a D-galactono-1,6-lactone derivative, a precursor of a copolyester.
2,3,4,6-Tetra-O-methyl-d-galactonic acid (5) was readily prepared from d-galactono-1,4-lactone (1) in 47% yield. The sequence involves tritylation of HO-6 of 1, followed by O-permethylation and deprotection. Lactonization of 5 led to the per-O-methyl-d-galactono-1,6-lactone, which was copolymerized with epsilon-caprolactone by ring-opening polymerization catalyzed by scandium triflate. The inco...
متن کاملIdentification of 2-keto-3-deoxy-d-Gluconate Kinase and 2-keto-3-deoxy-d-Phosphogluconate Aldolase in an Alginate-Assimilating Bacterium, Flavobacterium sp. Strain UMI-01
Recently, we identified an alginate-assimilating gene cluster in the genome of Flavobacterium sp. strain UMI-01, a member of Bacteroidetes. Alginate lyase genes and a 4-deoxy-l-erythro-5-hexoseulose uronic acid (DEH) reductase gene in the cluster have already been characterized; however, 2-keto-3-deoxy-d-gluconate (KDG) kinase and 2-keto-3-deoxy-6-phosphogluconate (KDPG) aldolase genes, i.e., f...
متن کاملSynthetic explorations towards 3-deoxy-3-fluoro derivatives of D-perosamine.
Based on a literature precedent, preparation of methyl 4-azido-3,4,6-trideoxy-3-fluoro-alpha-D-mannopyranoside (18) was attempted via fluorination of methyl 4-azido-2-O-benzyl-4,6-dideoxy-alpha-D-altropyranoside with diethylaminosulfur trifluoride (DAST). Contrary to expectations, the reaction took place with retention of configuration at the site of the fluorination yielding methyl 4-azido-2-O...
متن کاملX-ray diffraction and high-resolution NMR spectroscopic analysis of 2,4,7,8-tetra-O-acetyl-3-deoxy-alpha-D-manno-2-octulopyranosono-1,5-lactone.
The X-ray diffraction and high-resolution 1H and 13C NMR spectral data are reported for 2,4,7,8-tetra-O-acetyl-3-deoxy-alpha-D-manno-2-octulopyranosono-1,5-lactone.
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ژورنال
عنوان ژورنال: Acta Crystallographica Section E Structure Reports Online
سال: 2006
ISSN: 1600-5368
DOI: 10.1107/s1600536806008099