cis, cis, cis-Tetramethyl 1,2,4,5-cyclohexanetetracarboxylate

The title compound, C(14)H(20)O(8), was synthesized from the hydrogenation of tetramethyl 1,4-cyclohexadiene-1,2,4, 5-tetracarboxylate with a catalytic amount of palladium/carbon. All four carbonyl moieties of the methyl ester groups are on the same face of the chair-conformed ring. The substantial...

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Bibliographic Details
Published in:Acta crystallographica. Section C, Crystal structure communications Crystal structure communications, 2000-12, Vol.56 (12), p.1471-1472
Main Authors: ROBINSON, Paul D, HUA, Duy H, JINGMEI FAN, LANZHU LIU, MCGILL, James W, ARSHID, Mohammed, MEYERS, Cal Y
Format: Article
Language:English
Subjects:
Aliphatic, non-condensed and condensed benzenic, and alicyclic compounds
Condensed matter: structure, mechanical and thermal properties
Exact sciences and technology
Organic compounds
Physics
Structure of solids and liquids
crystallography
Structure of specific crystalline solids
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Summary:The title compound, C(14)H(20)O(8), was synthesized from the hydrogenation of tetramethyl 1,4-cyclohexadiene-1,2,4, 5-tetracarboxylate with a catalytic amount of palladium/carbon. All four carbonyl moieties of the methyl ester groups are on the same face of the chair-conformed ring. The substantial ring distortion associated with the 1,3-diaxial methoxycarbonyl substituents is reflected in the large difference between bond angles as well as torsion angles, respectively, that in undistorted cyclohexanes would be approximately the same.
ISSN:0108-2701
1600-5759
DOI:10.1107/S0108270100013123