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Reactivity of secondary hydroxyl groups in methyl β-D-xylopyranoside toward a β-O-4-type quinone methide
Forestry and Forest Products Research Institute.
Wood Chemistry Laboratory, Forestry and Forest Products Research Institute, 305-8687 Ibaraki.
Luleå University of Technology, Department of Engineering Sciences and Mathematics, Wood Science and Engineering.ORCID iD: 0000-0002-7711-9267
Wood Chemistry Laboratory, Forestry and Forest Products Research Institute, 305-8687 Ibaraki.
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2002 (English)In: Journal of Wood Science, ISSN 1435-0211, E-ISSN 1611-4663, Vol. 48, no 1, p. 32-37Article in journal (Refereed) Published
Abstract [en]

Methyl β-D-xylopyranoside was allowed to react with β-O-4-type quinone methide without a catalyst to elucidate the reactivities of secondary hydroxyl groups at the C2, C3, and C4 positions. Benzyl ether-type lignin-carbohydrate complex (LCC) compounds linked at the C2 and C4 positions were predominant, at a ratio of 2:3. However, the reactivity of the hydroxyl group at the C3 position was quite low. These results strongly suggest that the reactivity of the C2 hydroxyl group in xylan toward quinone methide intermediate is higher than that of the C3 hydroxyl group during biosynthesis of LCCs

Place, publisher, year, edition, pages
2002. Vol. 48, no 1, p. 32-37
National Category
Bio Materials
Research subject
Wood Physics
Identifiers
URN: urn:nbn:se:ltu:diva-5325DOI: 10.1007/BF00766235Scopus ID: 2-s2.0-0042297768Local ID: 36400ea0-0dbd-11dc-8745-000ea68e967bOAI: oai:DiVA.org:ltu-5325DiVA, id: diva2:978199
Note
Validerad; 2002; 20070529 (cira)Available from: 2016-09-29 Created: 2016-09-29 Last updated: 2018-07-10Bibliographically approved

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Karlsson, Olov

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