14078-53-6Relevant articles and documents
Oxidative Conversions of 2,2'-Diphenoquinone Valence Isomers with 2,3-Dichloro-5,6-dicyanobenzoquinone. Synthesis and Spectroscopic Properties of (E)-Bibenzofuranylidene-2,2'-diones (Isoxindigos)
Becker, Hans-Dieter,Lingnert, Hans
, p. 1095 - 1101 (2007/10/02)
Oxepinobenzofurans derived from tetraalkyl-substituted and dialkyldimethoxy-substituted 2,2'-diphenoquinones by spontaneous valence isomerization react with 2,3-dichloro-5,6-dicyanobenzoquinone (DDQ) in the presence of water to give benzofuranyliden-2-one