
%0 Journal Article
%A Elix, JA 
%A Elix, JA 
%A Venables, DA 
%A Venables, DA 
%A Wedin, M 
%A Wedin, M 
%T New Dibenzofurans and Depsides From the Lichen <I>Bunodophoron patagonicum</I>
%J Australian Journal of Chemistry
%D 1994/07/01
%V 47
%N 7
%P 1335-1344
%K 
%R https://doi.org/10.1071/CH9941335
%U https://www.publish.csiro.au/paper/CH9941335 
%X The lichen Bunodophoron patagonicum has been shown to contain five new dibenzo -furans: ascomatic acid (3,7-dimethoxy-1,9-dimethyldibenzofuran-2-carboxylic acid) (2) and the corresponding methyl ester (3); 7-O-methylnorascomatic acid (3-hydroxy-7-methoxy-1,9-dimethyldibenzofuran-2-carboxylic acid) (4) and the corresponding methyl ester (5); and norascomatic acid (3,7-dihydroxy-1,9-dimethyldibenzofuran-2-carboxylic acid) (6). The lichen also contains two new depsides : patagonic acid [2-hydroxy-4-(2&#8242;-hydroxy-4&#8242;-methoxy-6&#8242;-methyl-benzoyloxy)-6-(2&#8242;-oxononyl)benzoic acid] (10) and isopatagonic acid [2-hydroxy-4-(2&#8242;-hydroxy-4&#8242;-methoxy-6&#8242;-(2&#8242;-oxononyl) benzoyloxy )-6-methylbenzoic acid] (11). The structure of all new natural products was confirmed by total synthesis. 
