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Synthesis of models representing the β-ether type linkage between lignin and hemicelluloses

R. Brežný and P. Kováč

Institute of Chemistry, Slovak Academy of Sciences, 809 33 Bratislava

 

Abstract: A series of model compds. representing the hypothetical β-ether type linkage between lignin and hemicellulose were synthesized by phenacylation of Me β-D-xylopyranoside diacetate with methoxydiazoacetophenone derivs. in the presence of BF3.Et2O. The formed phenacylxylopyranosides, such as Me 2-O-(3,4-dimethoxyphenacyl)-β-D-xylopyranoside 3,4-diacetate, etc., were isolated by chromatog. The target products, such as Me 2-O-[2-hydroxy-2-(3,4-dimethoxyphenyl)ethyl]-β-D-xylopyranoside , etc., were obtained by subsequent deacetylation and redn.

Full paper in Portable Document Format: 341a136.pdf

 

Chemical Papers 34 (1) 136–143 (1980)

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