Bis(μ-2,2,6,6,10,10-hexamethyl-4,8-dioxaundecanedioato-O1,O11:O1',O11')bis(pyridine-N)dirhodium(II)(Rh—Rh)
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چکیده
منابع مشابه
X - Ray Structure of Hexamethyl Benzenehexacarboxylate , [ C 6 ( Cooch
The thermal treatment of [Ru2(CO)6(μ-η,η-C4H3O){μ-P(C4H3O)2}] 1 with dimethyl acetylenedicarboxylate (DMAD) at 110 oC leads to cyclotrimerization of DMAD. The cyclotrimerization product hexamethyl benzenehexacarboxylate, [C6(COOCH3)6] 2, was obtained in 37% yield and characterized by a combination of spectroscopic data and single crystal X-ray diffraction study. Compound 2 crystallizes in the m...
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The title compound, C(19)H(26)O(3), was synthesized directly from the condensation of 5,5-dimethyl-cyclo-hexane-1,3-dione with malononitrile catalysed by palladium chloride: there are two molecules in the asymmetric unit.
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The title compound, C(17)H(24)O(2), is the product of a haloform reaction of 6-acetyl-1,1,2,4,4,7-hexa-methyl-tetra-line (AHTN). The compound is a racemic mixture with a disorder in its aliphatic ring [occupany ratio 0.683 (4):0.317 (4)] due to two possible half-chair forms. The carb-oxy-lic acid unit is slightly twisted out of coplanarity with the aromatic system [dihedral angle = 29.26 (6)°]....
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In the title compound, C(24)H(24)O(14), the stereochemistry at the cyclo-butane ring is cis-anti-cis and the -COOMe groups in the bicyclic rings are syn to each other. The mol-ecule lies on a twofold rotation axis. In the crystal, weak C-H⋯O hydrogen bonds connect mol-ecules into chains along [001], forming R(2) (2)(10) rings.
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ژورنال
عنوان ژورنال: Acta Crystallographica Section C Crystal Structure Communications
سال: 1997
ISSN: 0108-2701
DOI: 10.1107/s010827019700142x