Issue 18, 1996

Synthesis and crystal structure determination of model compounds for the dibenzodioxocine structure occurring in wood lignins

Abstract

Model compounds for the dibenzodioxocine structure, a new structural unit recently discovered in wood lignins, have been synthesised by two different methods. In one route, the 8-membered ring is formed by ring closure of an arylglycerol β-aryl ether with a 5,5′-biphenyl structure in the aryl ether moiety. The other, which gave better yields, involves a biomimetic oxidative phenol coupling. Crystal structures have been obtained for one β-aryl ether and of two dibenzodioxocine isomers, as well as of a product of acid hydrolysis containing a 7-membered ring structure.

Article information

Article type
Paper

J. Chem. Soc., Perkin Trans. 1, 1996, 2303-2308

Synthesis and crystal structure determination of model compounds for the dibenzodioxocine structure occurring in wood lignins

P. Karhunen, P. Rummakko, A. Pajunen and G. Brunow, J. Chem. Soc., Perkin Trans. 1, 1996, 2303 DOI: 10.1039/P19960002303

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