Tetraethyl (1Z,3Z)-Buta-1,3-diene-1,2,3,4-tetracarboxylate

The title compound, C₁₆H₂₂O₈, was obtained as the product of a cationic Rh^I catalyzed hydridodimerization of diethyl acetylenedicarboxylate in methanol. The molecule lies on a crystallographic inversion centre. The diene moiety of the molecule possesses s-trans and (Z,Z) geometry.

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