1-Deoxy-L-mannitol (6-deoxy-L-mannitol or L-rhamnitol)

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1-De­oxy-l-mannitol (6-de­oxy-l-mannitol or l-rhamnitol)

The crystalline form of 1-de-oxy-l-mannitol, C(6)H(14)O(5), exists as an extensively hydrogen-bonded structure with each mol-ecule acting as a donor and acceptor for five hydrogen bonds. There are no unusual crystal-packing features; the absolute configuration was determined from the use of 6-de-oxy-l-mannose (l-rhamnose) as the starting material.

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Biological mechanisms involved in the formation of deoxy sugars. VII. Biosynthesis of 6-deoxy-L-talose.

The over-all reaction yielding tbymidine diphospho (TDP)6-deoxy-L-talose was first established using crude enzyme preparations catalyzing Reactions 1,2, and 3. Unambiguous proof for the formation of the L isomer of 6-deoxytalose was provided by radioisotope dilution experiments. Purification of sonic extracts of E. coli 045 into fractions catalyzing individual steps of the above scheme revealed...

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Bioconversion of D-galacturonate to keto-deoxy-L-galactonate (3-deoxy-L-threo-hex-2-ulosonate) using filamentous fungi

BACKGROUND The D-galacturonic acid derived from plant pectin can be converted into a variety of other chemicals which have potential use as chelators, clarifiers, preservatives and plastic precursors. Among these is the deoxy-keto acid derived from L-galactonic acid, keto-deoxy-L-galactonic acid or 3-deoxy-L-threo-hex-2-ulosonic acid. The keto-deoxy sugars have been found to be useful precursor...

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Synthesis of 2’-Deoxy-2’-fluoro-L-arabinofuranosyl Imidazole Derivatives

The last few years have witnessed a revival of interest in analogues of nucleosides following the discoveries that several of such compounds exhibit powerful antiviral effects. Structural modifications of naturally occurring nucleosides often lead to the discovery of new agents displaying biological and chemotherapeutic activity. A greal deal of effort has been directed towards the modification...

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D-Mannitol l-Phosphate Dehydrogenase and D-Sorbitol 6-Phosphate Dehydrogenase in Aerobacter aerogenes”

n-Mannitol has been used as a carbon source for the growth of many microorganisms. Some bacteria contain diphosphopyridine nucleotide-dependent dehydrogenases that will oxidize n-mannitol to n-fructose at the nonphosphorylated level (2-5). On the other hand, Wolff and Kaplan (6, 7) have reported the presence of a diphosphopyridine nucleotide-dependent n-mannitol l-phosphate dehydrogenase that o...

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ژورنال

عنوان ژورنال: Acta Crystallographica Section E Structure Reports Online

سال: 2008

ISSN: 1600-5368

DOI: 10.1107/s1600536808024586