Abstract
In the title compound, C34H30O12P2, which was synthesized via the esterification of dimethyl 2,5-dioxo-1,4-cyclohexanedicarboxylate with diphenyl chlorophosphate, the molecule has crystallographic inversion symmetry. The dihedral angles between the plane of the cyclohexa-1,4-diene ring and those of the two benzene rings of the substituent phosphate groups are 41.0 (1) and 89.5 (1)°, while that with the ester group is 3.1 (3)°. In the crystal, only weak intermolecular C—H⋯O hydrogen bonds are present.
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