Recommanded Product: 1,3-Dimethoxybenzene. Recently I am researching about EUCALYPTUS-GLOBULUS; NORWAY SPRUCE; DFRC METHOD; BIOREFINERY; SIDE, Saw an article supported by the Spanish project [AGL2017-83036-R]; Agencia Estatal de Investigacion, AEI; Fondo Europeo de Desarrollo Regional, FEDEREuropean Commission; Fundacao para a Ciencia e a Tecnologia (FCT)Portuguese Foundation for Science and TechnologyEuropean Commission [UID/AGR/00239/2013, PD/BD/52697/2014]. Published in WILEY-V C H VERLAG GMBH in WEINHEIM ,Authors: Neiva, DM; Rencoret, J; Marques, G; Gutierrez, A; Gominho, J; Pereira, H; del Rio, JC. The CAS is 151-10-0. Through research, I have a further understanding and discovery of 1,3-Dimethoxybenzene
Lignins from different tree barks, including Norway spruce (Picea abies), eucalyptus (Eucalyptus globulus), mimosa (Acacia dealbata) and blackwood acacia (A. melanoxylon), are thoroughly characterized. The lignin from E. globulus bark is found to be enriched in syringyl (S) units, with lower amounts of guaiacyl (G) and p-hydroxyphenyl (H) units (H/G/S ratio of 1:26:73), which produces a lignin that is highly enriched in beta-ether linkages (83 %), whereas those from the two Acacia barks have similar compositions (H/G/S ratio of approximate to 5:50:45), with a predominance of beta-ethers (73-75 %) and lower amounts of condensed carbon-carbon linkages; the lignin from A. dealbata bark also includes some resorcinol-related compounds, that appear to be incorporated or intimately associated to the polymer. The lignin from P. abies bark is enriched in G units, with lower amounts of H units (H/G ratio of 14:86); this lignin is thus depleted in beta-O-4 ‘ alkyl-aryl ether linkages (44 %) and enriched in condensed linkages. Interestingly, this lignin contains large amounts of hydroxystilbene glucosides that seem to be integrally incorporated into the lignin structure. This study indicates that lignins from tree barks can be seen as an interesting source of valuable phenolic compounds. Moreover, this study is useful for tailoring conversion technologies for bark deconstruction and valorization.
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Reference:
Isothiazole – Wikipedia,
,Isothiazole – ScienceDirect.com