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Crystal structure of ?-carbonyl-1:2?2C:C-carbonyl-1?C-(1?5-cyclo-penta-dien-yl)iodido-2?I-[?-2-(pyridin-2-yl)ethene-1,1-diyl-1?C1:2?2N,C1]ironpalladium(Fe-Pd) benzene monosolvate.

ABSTRACT: The reaction of Cp(CO)2FeI with 2-ethynyl-pyridine under Sonogashira conditions [5% PdCl2(PPh3)2, 10% CuI, THF-NEt3 (2:1)] afforded the title binuclear ?-pyridyl-vinyl-idene FePd complex (FePd1) as a benzene solvate, [FePd(C5H5)(C7H5N)I(CO)2]·C6H6, in a very low yield rather than the expected iron o-pyridyl-ethynyl complex Cp(CO)2Fe-C?C-(2-C5H4N). The Fe and Pd atoms in FePd1 are bridged by carbonyl and pyridyl-vinyl-idene ligands, the pyridyl N atom being bonded to the palladium atom. The use of equimolar amounts of PdCl2 increases the yield of FePd1 to 12%. The reaction pathway leading to FePd1 is proposed.

SUBMITTER: Verpekin VV 

PROVIDER: S-EPMC5209775 | biostudies-literature | 2017 Jan

REPOSITORIES: biostudies-literature

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Crystal structure of μ-carbonyl-1:2κ<sup>2</sup><i>C</i>:<i>C</i>-carbonyl-1κ<i>C</i>-(1η<sup>5</sup>-cyclo-penta-dien-yl)iodido-2κ<i>I</i>-[μ-2-(pyridin-2-yl)ethene-1,1-diyl-1κ<i>C</i><sup>1</sup>:2κ<sup>2</sup><i>N</i>,<i>C</i><sup>1</sup>]ironpalladium(<i>Fe</i>-<i>Pd</i>) benzene monosolvate.

Verpekin Victor V VV   Kreindlin Arkadii Z AZ   Semeikin Oleg V OV   Smol'yakov Alexander F AF   Dolgushin Fedor M FM   Chudin Oleg S OS   Ustynyuk Nikolai A NA  

Acta crystallographica. Section E, Crystallographic communications 20170101 Pt 1

The reaction of Cp(CO)<sub>2</sub>FeI with 2-ethynyl-pyridine under Sonogashira conditions [5% PdCl<sub>2</sub>(PPh<sub>3</sub>)<sub>2</sub>, 10% CuI, THF-NEt<sub>3</sub> (2:1)] afforded the title binuclear μ-pyridyl-vinyl-idene FePd complex (<b>FePd1</b>) as a benzene solvate, [FePd(C<sub>5</sub>H<sub>5</sub>)(C<sub>7</sub>H<sub>5</sub>N)I(CO)<sub>2</sub>]·C<sub>6</sub>H<sub>6</sub>, in a very low yield rather than the expected iron <i>o</i>-pyridyl-ethynyl complex Cp(CO)<sub>2</sub>Fe-C≡C-(2-C  ...[more]

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