[EN] SELECTIVE C-O BOND CLEAVAGE OF OXIDIZED LIGNIN AND LIGNIN-TYPE MATERIALS INTO SIMPLE AROMATIC COMPOUNDS<br/>[FR] COUPURE SÉLECTIVE DE LIAISON C-O DE LIGNINE OXYDÉE ET DE SUBSTANCES DE TYPE LIGNINE EN COMPOSÉS AROMATIQUES SIMPLES
申请人:WISCONSIN ALUMNI RES FOUND
公开号:WO2015138563A1
公开(公告)日:2015-09-17
A method to cleave C-C and C-0 bonds in β-Ο-4 linkages in lignin or lignin sub-units is described. The method includes oxidizing at least a portion of secondary benzylic alcohol groups in β-Ο-4 linkages in the lignin or lignin sub-unit to corresponding ketones and then leaving C-0 or C-C bonds in the oxidized lignin or lignin sub-unit by reacting it with an organic carboxylic acid, a salt of an organic carboxylic acids, and/or an ester of an organic carboxylic acids. The method may utilize a metal or metal-containing reagent or proceed without the metal or metal-containing reagent.
HYNNING, PER-AKE;REMBERGER, MIKAEL;NEILSON, ALASDAIR H., J. CHROMATOGR., 467,(1989) N, C. 99-110
作者:HYNNING, PER-AKE、REMBERGER, MIKAEL、NEILSON, ALASDAIR H.
DOI:——
日期:——
SELECTIVE C-O BOND CLEAVAGE OF OXIDIZED LIGNIN AND LIGNIN-TYPE MATERIALS INTO SIMPLE AROMATIC COMPOUNDS
申请人:Wisconsin Alumni Research Foundation
公开号:US20150259368A1
公开(公告)日:2015-09-17
A method to cleave C—C and C—O bonds in β-O-4 linkages in lignin or lignin sub-units is described. The method includes oxidizing at least a portion of secondary benzylic alcohol groups in β-O-4 linkages in the lignin or lignin sub-unit to corresponding ketones and then leaving C—O or C—C bonds in the oxidized lignin or lignin sub-unit by reacting it with an organic carboxylic acid, a salt of an organic carboxylic acids, and/or an ester of an organic carboxylic acids. The method may utilize a metal or metal-containing reagent or proceed without the metal or metal-containing reagent.
US9359391B2
申请人:——
公开号:US9359391B2
公开(公告)日:2016-06-07
[EN] COMPOSITION AND METHOD FOR INHIBITING RADICAL POLYMERISATION OF ETHYLENICALLY UNSATURATED AROMATIC MONOMERS<br/>[FR] COMPOSITION ET PROCEDE D'INHIBITION DE LA POLYMERISATION RADICALAIRE DE MONOMERES AROMATIQUES A INSATURATION ETHYLENIQUE
申请人:RHODIA CHIMIE
公开号:WO1998059016A1
公开(公告)日:1998-12-30
(EN) The invention concerns a composition for preventing the radical polymerisation of ethylenically unsaturated aromatic monomers characterised in that it comprises at least a dinitroaromatic derivative selected among dinitrosalicylaldehydes, dinitroalkoxyphenols, dinitrodihydroxybenezenes.(FR) L'invention a pour objet une composition destinée à empêcher la polymérisation radicalaire de monomères aromatiques à insaturation éthylénique caractérisée par le fait qu'elle comprend au moins un dérivé dinitroaromatique choisi parmi les dinitrosalicylaldéhydes, les dinitroalkoxyphénols, les dinitrodihydroxybenzènes.