Topic
Aldose
About: Aldose is a research topic. Over the lifetime, 1270 publications have been published within this topic receiving 27197 citations. The topic is also known as: aldoses.
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TL;DR: The structures of SF-666 A andSF-666 B were determined to be 7-deoxy- D - glycero - D - gluco -heptose and 7- deoxy- L - galacto - heptulose phenylosazone respectively.
9 citations
TL;DR: In this article, the redox potentials of neutral and alkaline solutions of glucose, mannose, galactose, and xylose were measured, showing that the lack of primary hydroxy group in going to aldopentopyranose favor destabilization of their cyclic structure, formation of the oxo form, and thermally activated retro-aldol reaction of the latter in alkaline medium.
Abstract: Concentration and temperature dependences of the redox potentials of neutral and alkaline solutions of glucose, mannose, galactose, galacturonic acid, and xylose were measured. Axial orientation of the secondary hydroxy groups in epimeric hexopyranoses, oxidation of C6 to carboxy group, and the lack of primary hydroxy group in going to aldopentopyranose favor increasing (in the order of listing) destabilization of their cyclic structure, formation of the oxo form, and thermally activated retro-aldol reaction of the latter in alkaline medium. This leads to enhancement of their reducing power and chemical reactivity toward 5,5′,7,7′-tetrabromoindigo.
9 citations
TL;DR: In this article, an enantiospecific and stereospecific route from 1,6-anhydro-D -glucopyranose (2) to intermediate (3) has been prepared.
9 citations
TL;DR: In this article, a brome de ces composes permet d'obtenir les amino-6 desoxy-6 D-mannonique ou -talonique acides.
Abstract: Preparation de l'azido-6 desoxy-6 D-mannose, de l'azido-6 desoxy-6 D-talose et de l'azido-6 desoxy-6 L-idose. L'oxydation par le brome de ces composes permet d'obtenir les amino-6 desoxy-6 D-mannonique ou -talonique acides. On prepare egalement les amino-6 desoxy-6 D-mannonolactame et talonolactame
9 citations
9 citations