Palladium-assisted formation of carbon-carbon bonds. Stoichiometric synthesis of indenols and indenones. Catalytic synthesis of an indenol

Article abstract of DOI:10.1016/0022-328X(92)85036-V

Reactions of diphenylacetylene or dimethylacetylenedicarboxylate with O2 (1) give metallic palladium and 2,3-diphenyl-, or 2,3-dimethylcarboxylate-, 5,6,7-trimethoxyindenone (2 or 3), res