2-(p-diethylaminobenzylidene)-1,3-indandione

Article abstract of DOI:10.1107/S0108270196007457

The title compound, C₂₀H₁₉NO₂, belongs to the class of donor-acceptor-substituted conjugated polyenes. Within the structure, O atoms are situated in the plane of the 1,3-indandione fragment and the N atom lies in the plane of the p-benzylidene fragment which forms a dihedral angle of 7.6 (2)° with the indandione nucleus.