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Synthesis of 2,4′-anhydro-1-(5′-deoxy-5′-bromo-2′,3′-o-isopropylidene-α-l-lyxosyl)uracil

✍ Scribed by Tadashi Sasaki; Katsumaro Minamoto; Satoru Kuroyanagi; Kaneaki Hattori

Publisher
Elsevier Science
Year
1973
Tongue
French
Weight
157 KB
Volume
14
Category
Article
ISSN
0040-4039

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Synthesis, crystal structure, and conformation of 3-O-(6-O-acetyl-2,3-anhydro-4-deoxy-α-l-ribo-hexopyranosyl)-1,2:5,6-di-O-isopropylidene-α-d-glucofuranose
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3-0-(6-0-Acetyl-2,3-anhydro-4-deoxy-a-L-ribo-hexopyranosyl)-l,2:5,6-di-O-isopropylidene-a-D-glucofuranose has been synthesised and its monocrystal investigated by X-ray diffraction methods. The compound crystallises in the orthorhombic system, space group P2,2,2t, with cell constants a = 8.790( 7),

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The relative configuration of the title compound, C~9~H~14~NO~5~, formed by catalytic hydrogenation of an azidolactone, has been established by X-ray crystallographic analysis. The absolute configuration was determined by the use of 2,3-__O__-isopropylidene-L-lyxono-1,4-lactone as the carbohydrate s