Stereo-preference in the degradation of the erythro and threo isomers of β-O-4-type lignin model compounds in oxidation processes III: in the reaction with chlorine- and manganese-based oxidants

Stereo-preference in the degradation of the erythro and threo isomers of β-O-4-type lignin model compounds in oxidation processes III: in the reaction with chlorine- and manganese-based oxidants

© 2018, The Japan Wood Research Society. We examined which isomer, the erythro or threo, of a non-phenolic β-O-4-type lignin model compound is stereo-preferentially oxidized in hypochlorite, chlorite, manganese dioxide, or permanganate systems. No clear stereo-preference was observed in the hypochlo...

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Main Authors: Pattaraporn Posoknistakul, Satoru Akiho, Takuya Akiyama, Tomoya Yokoyama, Yuji Matsumoto
Other Authors: Graduate School of Agricultural and Life Sciences The University of Tokyo
Format: Note
Published: 2019
Subjects:
Materials Science
Online Access:https://repository.li.mahidol.ac.th/handle/123456789/46085
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spelling th-mahidol.460852019-08-23T18:26:43Z Stereo-preference in the degradation of the erythro and threo isomers of β-O-4-type lignin model compounds in oxidation processes III: in the reaction with chlorine- and manganese-based oxidants Pattaraporn Posoknistakul Satoru Akiho Takuya Akiyama Tomoya Yokoyama Yuji Matsumoto Graduate School of Agricultural and Life Sciences The University of Tokyo Kuraray Co., Ltd. Mahidol University Materials Science © 2018, The Japan Wood Research Society. We examined which isomer, the erythro or threo, of a non-phenolic β-O-4-type lignin model compound is stereo-preferentially oxidized in hypochlorite, chlorite, manganese dioxide, or permanganate systems. No clear stereo-preference was observed in the hypochlorite or chlorite systems at alkaline, neutral, or acidic pH except for a slight threo stereo-preference that appeared after the step-wise addition of the oxidizing reagent had been terminated in the neutral or acidic chlorite systems. A clear threo stereo-preference was observed in the manganese dioxide or permanganate systems. 2019-08-23T11:26:43Z 2019-08-23T11:26:43Z 2018-08-01 Note Journal of Wood Science. Vol.64, No.4 (2018), 451-457 10.1007/s10086-018-1714-z 14350211 2-s2.0-85046028831 https://repository.li.mahidol.ac.th/handle/123456789/46085 Mahidol University SCOPUS https://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=85046028831&origin=inward
institution Mahidol University
building Mahidol University Library
continent Asia
country Thailand
Thailand
content_provider Mahidol University Library
collection Mahidol University Institutional Repository
topic Materials Science
spellingShingle Materials Science
Pattaraporn Posoknistakul
Satoru Akiho
Takuya Akiyama
Tomoya Yokoyama
Yuji Matsumoto
Stereo-preference in the degradation of the erythro and threo isomers of β-O-4-type lignin model compounds in oxidation processes III: in the reaction with chlorine- and manganese-based oxidants
description © 2018, The Japan Wood Research Society. We examined which isomer, the erythro or threo, of a non-phenolic β-O-4-type lignin model compound is stereo-preferentially oxidized in hypochlorite, chlorite, manganese dioxide, or permanganate systems. No clear stereo-preference was observed in the hypochlorite or chlorite systems at alkaline, neutral, or acidic pH except for a slight threo stereo-preference that appeared after the step-wise addition of the oxidizing reagent had been terminated in the neutral or acidic chlorite systems. A clear threo stereo-preference was observed in the manganese dioxide or permanganate systems.
author2 Graduate School of Agricultural and Life Sciences The University of Tokyo
author_facet Graduate School of Agricultural and Life Sciences The University of Tokyo
Pattaraporn Posoknistakul
Satoru Akiho
Takuya Akiyama
Tomoya Yokoyama
Yuji Matsumoto
format Note
author Pattaraporn Posoknistakul
Satoru Akiho
Takuya Akiyama
Tomoya Yokoyama
Yuji Matsumoto
author_sort Pattaraporn Posoknistakul
title Stereo-preference in the degradation of the erythro and threo isomers of β-O-4-type lignin model compounds in oxidation processes III: in the reaction with chlorine- and manganese-based oxidants
title_short Stereo-preference in the degradation of the erythro and threo isomers of β-O-4-type lignin model compounds in oxidation processes III: in the reaction with chlorine- and manganese-based oxidants
title_full Stereo-preference in the degradation of the erythro and threo isomers of β-O-4-type lignin model compounds in oxidation processes III: in the reaction with chlorine- and manganese-based oxidants
title_fullStr Stereo-preference in the degradation of the erythro and threo isomers of β-O-4-type lignin model compounds in oxidation processes III: in the reaction with chlorine- and manganese-based oxidants
title_full_unstemmed Stereo-preference in the degradation of the erythro and threo isomers of β-O-4-type lignin model compounds in oxidation processes III: in the reaction with chlorine- and manganese-based oxidants
title_sort stereo-preference in the degradation of the erythro and threo isomers of β-o-4-type lignin model compounds in oxidation processes iii: in the reaction with chlorine- and manganese-based oxidants
publishDate 2019
url https://repository.li.mahidol.ac.th/handle/123456789/46085
_version_ 1763496775785644032

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