
%0 Journal Article
%A Pearson, JR 
%A Porter, QN 
%T Vinylindenes and Some Heteroanalogues in the Diels-Alder Reaction. IX. 3-Vinylbenzofuran and 1,4-Naphthoquinone
%J Australian Journal of Chemistry
%D 1991/07/01
%V 44
%N 7
%P 907-917
%K 
%R https://doi.org/10.1071/CH9910907
%U https://www.publish.csiro.au/paper/CH9910907 
%X 3-Vinylbenzofuran and 1,4-naphthoquinone react to give r-5a,6,c-12a,c-12b-tetrahydroanthra-[1,2-b]benzofuran-5,13-quinone. This adduct undergoes ring opening to 2-(2-hydroxyphenyl)-anthraquinone with base and oxygen, but shows no rearrangement to anthra[2,3-b]benzofuran- 5,13-quinone. 
