Bis{μ-dimethyl 1-[1-methoxycarbonyl-3-(methoxy­oxalyl)-2-methylpropenyl]-3,3-dimethylcyclopropane-1,2-dicarboxylato(2–)}bis[(triphenylphosphine)palladium(II)] acetone solvate

The title compound, [Pd₂(C₁₈H₂₂O₉)₂(C₁₈H₁₅P)₂]·C₃H₆O, features a centrosymmetric dimer and an acetone mol­ecule disordered about a centre of inversion. The Pd coordination is almost square-planar. The central eight-membered ring containing Pd and O atoms adopts a chair conformation, and the six-membered ring containing Pd adopts a half-chair conformation.

Dimethyl dipropargylmalonate

Geometric parameters of the title compound, C₁₁H₁₂O₄, are in the normal ranges. The crystal packing is stabilized by two weak C—H...O hydrogen bonds.

meso-4,5-Dihydr­oxy-4,5-dimethyl­octa-1,7-diyne

Mol­ecules of the title compound, C₁₀H₁₄O₂, are connected by inter­molecular hydrogen bonds, forming zigzag chains running in the b-axis direction. In addition, the two hydroxyl groups form an intra­molecular hydrogen bond.