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Dicarboxylic acids ...
Dicarboxylic acids produced by oxygen-alkali treatment of birch xylan
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- Löwendahl, Lars, 1940 (författare)
- Chalmers tekniska högskola,Chalmers University of Technology
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- Petersson, Göran, 1941 (författare)
- Chalmers tekniska högskola,Chalmers University of Technology
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- Samuelson, Olof, 1914 (författare)
- Chalmers tekniska högskola,Chalmers University of Technology
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(creator_code:org_t)
- 1975
- 1975
- Engelska.
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Ingår i: Acta Chem. Scand. B. ; 29:4, s. 526-527
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Abstract
Ämnesord
Stäng
- C-(2-Hydroxyethyl)tartronic acid is predominant among the dicarboxylic acids and its formation in 12 % yield makes it a major product from xylan. The structure indicates that it is formed from terminal, oxidized xylose units by beta-elimination at C-4 and subsequent benzilic acid rearrangement. It is proposed that 2-ulosonic acid end-groups or ulosono-1,5-lactone end-groups, related in structure to ascorbic acid, are formed as precursors.
Ämnesord
- NATURVETENSKAP -- Kemi -- Analytisk kemi (hsv//swe)
- NATURAL SCIENCES -- Chemical Sciences -- Analytical Chemistry (hsv//eng)
Nyckelord
- chromatography
- mass spectrometry
- wood
- oxidation
- xylose
- pulp
Publikations- och innehållstyp
- art (ämneskategori)
- ref (ämneskategori)
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