PubMed:11996831 JSONTXT

{"project":"GlyCosmos6-Glycan-Motif-Image","denotations":[{"id":"T1","span":{"begin":235,"end":244},"obj":"Glycan_Motif"},{"id":"T3","span":{"begin":402,"end":411},"obj":"Glycan_Motif"},{"id":"T5","span":{"begin":415,"end":421},"obj":"Glycan_Motif"},{"id":"T6","span":{"begin":441,"end":448},"obj":"Glycan_Motif"},{"id":"T7","span":{"begin":463,"end":470},"obj":"Glycan_Motif"},{"id":"T8","span":{"begin":671,"end":678},"obj":"Glycan_Motif"},{"id":"T9","span":{"begin":734,"end":741},"obj":"Glycan_Motif"}],"attributes":[{"id":"A1","pred":"image","subj":"T1","obj":"https://api.glycosmos.org/wurcs2image/0.10.0/png/binary/G68158BT"},{"id":"A2","pred":"image","subj":"T1","obj":"https://api.glycosmos.org/wurcs2image/0.10.0/png/binary/G65889KE"},{"id":"A3","pred":"image","subj":"T3","obj":"https://api.glycosmos.org/wurcs2image/0.10.0/png/binary/G68158BT"},{"id":"A4","pred":"image","subj":"T3","obj":"https://api.glycosmos.org/wurcs2image/0.10.0/png/binary/G65889KE"},{"id":"A5","pred":"image","subj":"T5","obj":"https://api.glycosmos.org/wurcs2image/0.10.0/png/binary/G82576YO"},{"id":"A6","pred":"image","subj":"T6","obj":"https://api.glycosmos.org/wurcs2image/0.10.0/png/binary/G70323CJ"},{"id":"A7","pred":"image","subj":"T7","obj":"https://api.glycosmos.org/wurcs2image/0.10.0/png/binary/G70323CJ"},{"id":"A8","pred":"image","subj":"T8","obj":"https://api.glycosmos.org/wurcs2image/0.10.0/png/binary/G15021LG"},{"id":"A9","pred":"image","subj":"T9","obj":"https://api.glycosmos.org/wurcs2image/0.10.0/png/binary/G70323CJ"}],"text":"Base catalysed isomerisation of aldoses of the arabino and lyxo series in the presence of aluminate.\nBase-catalysed isomerisation of aldoses of the arabino and lyxo series in aluminate solution has been investigated. L-Arabinose and D-galactose give L-erythro-2-pentulose (L-ribulose) and D-lyxo-2-hexulose (D-tagatose), respectively, in good yields, whereas lower reactivity is observed for 6-deoxy-D-galactose (D-fucose). From D-lyxose, D-mannose and 6-deoxy-L-mannose (L-rhamnose) are obtained mixtures of ketoses and C-2 epimeric aldoses. Small amounts of the 3-epimers of the ketoses were also formed. 6-Deoxy-L-arabino-2-hexulose (6-deoxy-L-fructose) and 6-deoxy-L-glucose (L-quinovose) were formed in low yields from 6-deoxy-L-mannose and isolated as their O-isopropylidene derivatives. Explanations of the differences in reactivity and course of the reaction have been suggested on the basis of steric effects."}

{"project":"GlyCosmos6-Glycan-Motif-Structure","denotations":[{"id":"T1","span":{"begin":235,"end":244},"obj":"https://glytoucan.org/Structures/Glycans/G65889KE"},{"id":"T2","span":{"begin":235,"end":244},"obj":"https://glytoucan.org/Structures/Glycans/G68158BT"},{"id":"T3","span":{"begin":402,"end":411},"obj":"https://glytoucan.org/Structures/Glycans/G65889KE"},{"id":"T4","span":{"begin":402,"end":411},"obj":"https://glytoucan.org/Structures/Glycans/G68158BT"},{"id":"T5","span":{"begin":415,"end":421},"obj":"https://glytoucan.org/Structures/Glycans/G82576YO"},{"id":"T6","span":{"begin":441,"end":448},"obj":"https://glytoucan.org/Structures/Glycans/G70323CJ"},{"id":"T7","span":{"begin":463,"end":470},"obj":"https://glytoucan.org/Structures/Glycans/G70323CJ"},{"id":"T8","span":{"begin":671,"end":678},"obj":"https://glytoucan.org/Structures/Glycans/G15021LG"},{"id":"T9","span":{"begin":734,"end":741},"obj":"https://glytoucan.org/Structures/Glycans/G70323CJ"}],"text":"Base catalysed isomerisation of aldoses of the arabino and lyxo series in the presence of aluminate.\nBase-catalysed isomerisation of aldoses of the arabino and lyxo series in aluminate solution has been investigated. L-Arabinose and D-galactose give L-erythro-2-pentulose (L-ribulose) and D-lyxo-2-hexulose (D-tagatose), respectively, in good yields, whereas lower reactivity is observed for 6-deoxy-D-galactose (D-fucose). From D-lyxose, D-mannose and 6-deoxy-L-mannose (L-rhamnose) are obtained mixtures of ketoses and C-2 epimeric aldoses. Small amounts of the 3-epimers of the ketoses were also formed. 6-Deoxy-L-arabino-2-hexulose (6-deoxy-L-fructose) and 6-deoxy-L-glucose (L-quinovose) were formed in low yields from 6-deoxy-L-mannose and isolated as their O-isopropylidene derivatives. Explanations of the differences in reactivity and course of the reaction have been suggested on the basis of steric effects."}

{"project":"sentences","denotations":[{"id":"TextSentencer_T1","span":{"begin":0,"end":100},"obj":"Sentence"},{"id":"TextSentencer_T2","span":{"begin":101,"end":216},"obj":"Sentence"},{"id":"TextSentencer_T3","span":{"begin":217,"end":423},"obj":"Sentence"},{"id":"TextSentencer_T4","span":{"begin":424,"end":542},"obj":"Sentence"},{"id":"TextSentencer_T5","span":{"begin":543,"end":606},"obj":"Sentence"},{"id":"TextSentencer_T6","span":{"begin":607,"end":793},"obj":"Sentence"},{"id":"TextSentencer_T7","span":{"begin":794,"end":918},"obj":"Sentence"},{"id":"T1","span":{"begin":0,"end":100},"obj":"Sentence"},{"id":"T2","span":{"begin":101,"end":216},"obj":"Sentence"},{"id":"T3","span":{"begin":217,"end":423},"obj":"Sentence"},{"id":"T4","span":{"begin":424,"end":542},"obj":"Sentence"},{"id":"T5","span":{"begin":543,"end":606},"obj":"Sentence"},{"id":"T6","span":{"begin":607,"end":793},"obj":"Sentence"},{"id":"T7","span":{"begin":794,"end":918},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"Base catalysed isomerisation of aldoses of the arabino and lyxo series in the presence of aluminate.\nBase-catalysed isomerisation of aldoses of the arabino and lyxo series in aluminate solution has been investigated. L-Arabinose and D-galactose give L-erythro-2-pentulose (L-ribulose) and D-lyxo-2-hexulose (D-tagatose), respectively, in good yields, whereas lower reactivity is observed for 6-deoxy-D-galactose (D-fucose). From D-lyxose, D-mannose and 6-deoxy-L-mannose (L-rhamnose) are obtained mixtures of ketoses and C-2 epimeric aldoses. Small amounts of the 3-epimers of the ketoses were also formed. 6-Deoxy-L-arabino-2-hexulose (6-deoxy-L-fructose) and 6-deoxy-L-glucose (L-quinovose) were formed in low yields from 6-deoxy-L-mannose and isolated as their O-isopropylidene derivatives. Explanations of the differences in reactivity and course of the reaction have been suggested on the basis of steric effects."}