5 research outputs found
Crystal structure of ΞΌ-carbonyl-1:2ΞΊ2C:C-carbonyl-1ΞΊC-(1Ξ·5-cyclopentadienyl)iodido-2ΞΊI-[ΞΌ-2-(pyridin-2-yl)ethene-1,1-diyl-1ΞΊC1:2ΞΊ2N,C1]ironpalladium(FeβPd) benzene monosolvate
The reaction of Cp(CO)2FeI with 2-ethynylpyridine under Sonogashira conditions [5% PdCl2(PPh3)2, 10% CuI, THFβNEt3 (2:1)] afforded the title binuclear ΞΌ-pyridylvinylidene FePd complex (FePd1) as a benzene solvate, [FePd(C5H5)(C7H5N)I(CO)2]Β·C6H6, in a very low yield rather than the expected iron o-pyridylethynyl complex Cp(CO)2FeβC[triple-bond]C-(2-C5H4N). The Fe and Pd atoms in FePd1 are bridged by carbonyl and pyridylvinylidene 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
Electrochemical Study of a Heterobinuclear pyridylvinylidene Complex Cp(CO)2Fe[ΞΌ-C=CH(2-C5H4N)]PdI
ΠΠ»Π΅ΠΊΡΡΠΎΡ
ΠΈΠΌΠΈΡΠ΅ΡΠΊΠΈΠΌΠΈ ΠΌΠ΅ΡΠΎΠ΄Π°ΠΌΠΈ ΠΈΠ·ΡΡΠ΅Π½Ρ ΡΠ΅Π΄ΠΎΠΊΡ-ΡΠ²ΠΎΠΉΡΡΠ²Π° Π±ΠΈΡΠ΄Π΅ΡΠ½ΠΎΠ³ΠΎ ΠΊΠΎΠΌΠΏΠ»Π΅ΠΊΡΠ° Cp(CO)2Fe
[ΞΌ-C=CH(2-C5H4N)]PdI Π½Π° ΠΏΠ»Π°ΡΠΈΠ½ΠΎΠ²ΠΎΠΌ, ΡΡΠ΅ΠΊΠ»ΠΎΡΠ³Π»Π΅ΡΠΎΠ΄Π½ΠΎΠΌ ΠΈ ΡΡΡΡΠ½ΠΎΠΌ ΠΊΠ°ΠΏΠ΅Π»ΡΠ½ΠΎΠΌ ΡΠ»Π΅ΠΊΡΡΠΎΠ΄Π°Ρ
Π² Π°ΡΠ΅ΡΠΎΠ½ΠΈΡΡΠΈΠ»Π΅. Π£ΡΡΠ°Π½ΠΎΠ²Π»Π΅Π½ΠΎ, ΡΡΠΎ ΠΎΠ΄Π½ΠΎΡΠ»Π΅ΠΊΡΡΠΎΠ½Π½ΠΎΠ΅ ΠΎΠΊΠΈΡΠ»Π΅Π½ΠΈΠ΅ ΠΊΠΎΠΌΠΏΠ»Π΅ΠΊΡΠ° ΠΏΡΠΈΠ²ΠΎΠ΄ΠΈΡ ΠΊ ΠΎΠ±ΡΠ°Π·ΠΎΠ²Π°Π½ΠΈΡ
ΠΊΠ°ΡΠΈΠΎΠ½-ΡΠ°Π΄ΠΈΠΊΠ°Π»Π° Ρ ΠΏΠΎΡΠ»Π΅Π΄ΡΡΡΠΈΠΌ Π΅Π³ΠΎ ΡΠ°Π·ΡΡΡΠ΅Π½ΠΈΠ΅ΠΌ, Π° Π²ΠΎΡΡΡΠ°Π½ΠΎΠ²Π»Π΅Π½ΠΈΠ΅ β ΠΊ Π°Π½ΠΈΠΎΠ½-ΡΠ°Π΄ΠΈΠΊΠ°Π»Ρ,
ΠΏΡΠ΅Π²ΡΠ°ΡΠ°ΡΡΠ΅ΠΌΡΡΡ Π² 2-ΠΏΠΈΡΠΈΠ΄ΠΈΠ»ΡΡΠΈΠ½ΠΈΠ»ΡΠ½ΡΠΉ ΠΊΠΎΠΌΠΏΠ»Π΅ΠΊΡ ΠΆΠ΅Π»Π΅Π·Π° Cp(CO)2Fe-Cβ‘C-(2-C5H4N)The redox properties of binuclear complex Cp(CO)2Fe[ΞΌ-C=CH(2-C5H4N)]PdI were studied by
electrochemical methods at platinum, glassed carbon and dropping mercury electrodes in acetonitrile
solution. It was found that a one-electron oxidation of the complex resulted in a cation-radical,
which further undergoes decomposition, whereas a reduction gave an anion-radical, which further
transforms into the 2-pirydylethynyl complex of iron Cp(CO)2Fe-Cβ‘C-(2-C5H4N
Electrochemical Study of a Heterobinuclear pyridylvinylidene Complex Cp(CO)2Fe[ΞΌ-C=CH(2-C5H4N)]PdI
ΠΠ»Π΅ΠΊΡΡΠΎΡ
ΠΈΠΌΠΈΡΠ΅ΡΠΊΠΈΠΌΠΈ ΠΌΠ΅ΡΠΎΠ΄Π°ΠΌΠΈ ΠΈΠ·ΡΡΠ΅Π½Ρ ΡΠ΅Π΄ΠΎΠΊΡ-ΡΠ²ΠΎΠΉΡΡΠ²Π° Π±ΠΈΡΠ΄Π΅ΡΠ½ΠΎΠ³ΠΎ ΠΊΠΎΠΌΠΏΠ»Π΅ΠΊΡΠ° Cp(CO)2Fe
[ΞΌ-C=CH(2-C5H4N)]PdI Π½Π° ΠΏΠ»Π°ΡΠΈΠ½ΠΎΠ²ΠΎΠΌ, ΡΡΠ΅ΠΊΠ»ΠΎΡΠ³Π»Π΅ΡΠΎΠ΄Π½ΠΎΠΌ ΠΈ ΡΡΡΡΠ½ΠΎΠΌ ΠΊΠ°ΠΏΠ΅Π»ΡΠ½ΠΎΠΌ ΡΠ»Π΅ΠΊΡΡΠΎΠ΄Π°Ρ
Π² Π°ΡΠ΅ΡΠΎΠ½ΠΈΡΡΠΈΠ»Π΅. Π£ΡΡΠ°Π½ΠΎΠ²Π»Π΅Π½ΠΎ, ΡΡΠΎ ΠΎΠ΄Π½ΠΎΡΠ»Π΅ΠΊΡΡΠΎΠ½Π½ΠΎΠ΅ ΠΎΠΊΠΈΡΠ»Π΅Π½ΠΈΠ΅ ΠΊΠΎΠΌΠΏΠ»Π΅ΠΊΡΠ° ΠΏΡΠΈΠ²ΠΎΠ΄ΠΈΡ ΠΊ ΠΎΠ±ΡΠ°Π·ΠΎΠ²Π°Π½ΠΈΡ
ΠΊΠ°ΡΠΈΠΎΠ½-ΡΠ°Π΄ΠΈΠΊΠ°Π»Π° Ρ ΠΏΠΎΡΠ»Π΅Π΄ΡΡΡΠΈΠΌ Π΅Π³ΠΎ ΡΠ°Π·ΡΡΡΠ΅Π½ΠΈΠ΅ΠΌ, Π° Π²ΠΎΡΡΡΠ°Π½ΠΎΠ²Π»Π΅Π½ΠΈΠ΅ β ΠΊ Π°Π½ΠΈΠΎΠ½-ΡΠ°Π΄ΠΈΠΊΠ°Π»Ρ,
ΠΏΡΠ΅Π²ΡΠ°ΡΠ°ΡΡΠ΅ΠΌΡΡΡ Π² 2-ΠΏΠΈΡΠΈΠ΄ΠΈΠ»ΡΡΠΈΠ½ΠΈΠ»ΡΠ½ΡΠΉ ΠΊΠΎΠΌΠΏΠ»Π΅ΠΊΡ ΠΆΠ΅Π»Π΅Π·Π° Cp(CO)2Fe-Cβ‘C-(2-C5H4N)The redox properties of binuclear complex Cp(CO)2Fe[ΞΌ-C=CH(2-C5H4N)]PdI were studied by
electrochemical methods at platinum, glassed carbon and dropping mercury electrodes in acetonitrile
solution. It was found that a one-electron oxidation of the complex resulted in a cation-radical,
which further undergoes decomposition, whereas a reduction gave an anion-radical, which further
transforms into the 2-pirydylethynyl complex of iron Cp(CO)2Fe-Cβ‘C-(2-C5H4N
Chemistry of Vinylidene Complexes. XVII. The First ΞΌ-vinylidene Complex with the Re-Pt Bond: Synthesis, Spectroscopic Study and Structure of (Ξ·5-C5H5)(CO)2RePt(ΞΌ-C=CHPh)(PPh3)2
ΠΡΠΈ Π²Π·Π°ΠΈΠΌΠΎΠ΄Π΅ΠΉΡΡΠ²ΠΈΠΈ Cp(CO)2Re=C=CHPh (1) Ρ Pt(PPh3)4 ΠΏΠΎΠ»ΡΡΠ΅Π½ ΞΌ-Π²ΠΈΠ½ΠΈΠ»ΠΈΠ΄Π΅Π½ΠΎΠ²ΡΠΉ ΠΊΠΎΠΌΠΏΠ»Π΅ΠΊΡ Cp(CO)2RePt(ΞΌ-C=CHPh)(PPh3)2 (2). ΠΡΡΠ»Π΅Π΄ΠΎΠ²Π°Π½Ρ ΡΠΏΠ΅ΠΊΡΡΡ ΠΠ ΠΈ Π―ΠΠ 1Π, 13Π‘ ΠΈ 31P ΡΠΎΠ΅Π΄ΠΈΠ½Π΅Π½ΠΈΡ 2. ΠΡΠΈΡΡΠ°Π»Π»ΠΈΡΠ΅ΡΠΊΠ°Ρ ΠΈ ΠΌΠΎΠ»Π΅ΠΊΡΠ»ΡΡΠ½Π°Ρ ΡΡΡΡΠΊΡΡΡΠ° ΠΊΠΎΠΌΠΏΠ»Π΅ΠΊΡΠ° 2 ΡΡΡΠ°Π½ΠΎΠ²Π»Π΅Π½Π° ΠΌΠ΅ΡΠΎΠ΄ΠΎΠΌ Π Π‘Π [Π΄Π»ΠΈΠ½Ρ ΡΠ²ΡΠ·Π΅ΠΉ ReβPt 2.7360(3), ReβC1 2.083(5), PtβC1 2.008(4), C1=C2 1.351(6) Γ
; Π²Π°Π»Π΅Π½ΡΠ½ΡΠ΅ ΡΠ³Π»Ρ Pt-C1-C2 133.5(4), Re-C1-C2 141.6(4)Β°]. ΠΠ±ΡΡΠΆΠ΄Π°Π΅ΡΡΡ Π²Π»ΠΈΡΠ½ΠΈΠ΅ ΠΏΡΠΈΡΠΎΠ΄Ρ Π°ΡΠΎΠΌΠ° ΠΌΠ΅ΡΠ°Π»Π»Π° M = Re, Mn Π½Π° ΡΡΡΡΠΊΡΡΡΠ½ΡΠ΅ ΠΈ ΡΠΏΠ΅ΠΊΡΡΠ°Π»ΡΠ½ΡΠ΅ Ρ
Π°ΡΠ°ΠΊΡΠ΅ΡΠΈΡΡΠΈΠΊΠΈ ΠΊΠΎΠΌΠΏΠ»Π΅ΠΊΡΠΎΠ² Cp(CO)2MPt(ΞΌ-C=CHPh)(PPh3)2.The interaction between Cp(CO)2Re=C=CHPh (1) and Pt(PPh3)4 afforded the ΞΌ-vinylidene complex Cp(CO)2RePt(ΞΌ-C=CHPh)(PPh3)2 (2). The IR and 1H, 13C and 31P NMR spectra of complex 2 were studied. Crystal and molecular structure of complex 2 has been determined by an X-ray single crystal analysis. The bond distances and angles are ReβPt 2.7360(3), ReβC1 2.083(5), PtβC1 2.008(4), C1=C2 1.351(6) Γ
; Pt-C1-C2 133.5(4), Re-C1-C2 141.6(4)Β°. The influence of the nature of the M = Re, Mn atoms on structural and spectroscopic characteristics of complexes Cp(CO)2MPt(ΞΌ-C=CHPh)-(PPh3)2 has been considered
Chemistry of Vinylidene Complexes. XVII. The First ΞΌ-vinylidene Complex with the Re-Pt Bond: Synthesis, Spectroscopic Study and Structure of (Ξ·5-C5H5)(CO)2RePt(ΞΌ-C=CHPh)(PPh3)2
ΠΡΠΈ Π²Π·Π°ΠΈΠΌΠΎΠ΄Π΅ΠΉΡΡΠ²ΠΈΠΈ Cp(CO)2Re=C=CHPh (1) Ρ Pt(PPh3)4 ΠΏΠΎΠ»ΡΡΠ΅Π½ ΞΌ-Π²ΠΈΠ½ΠΈΠ»ΠΈΠ΄Π΅Π½ΠΎΠ²ΡΠΉ ΠΊΠΎΠΌΠΏΠ»Π΅ΠΊΡ Cp(CO)2RePt(ΞΌ-C=CHPh)(PPh3)2 (2). ΠΡΡΠ»Π΅Π΄ΠΎΠ²Π°Π½Ρ ΡΠΏΠ΅ΠΊΡΡΡ ΠΠ ΠΈ Π―ΠΠ 1Π, 13Π‘ ΠΈ 31P ΡΠΎΠ΅Π΄ΠΈΠ½Π΅Π½ΠΈΡ 2. ΠΡΠΈΡΡΠ°Π»Π»ΠΈΡΠ΅ΡΠΊΠ°Ρ ΠΈ ΠΌΠΎΠ»Π΅ΠΊΡΠ»ΡΡΠ½Π°Ρ ΡΡΡΡΠΊΡΡΡΠ° ΠΊΠΎΠΌΠΏΠ»Π΅ΠΊΡΠ° 2 ΡΡΡΠ°Π½ΠΎΠ²Π»Π΅Π½Π° ΠΌΠ΅ΡΠΎΠ΄ΠΎΠΌ Π Π‘Π [Π΄Π»ΠΈΠ½Ρ ΡΠ²ΡΠ·Π΅ΠΉ ReβPt 2.7360(3), ReβC1 2.083(5), PtβC1 2.008(4), C1=C2 1.351(6) Γ
; Π²Π°Π»Π΅Π½ΡΠ½ΡΠ΅ ΡΠ³Π»Ρ Pt-C1-C2 133.5(4), Re-C1-C2 141.6(4)Β°]. ΠΠ±ΡΡΠΆΠ΄Π°Π΅ΡΡΡ Π²Π»ΠΈΡΠ½ΠΈΠ΅ ΠΏΡΠΈΡΠΎΠ΄Ρ Π°ΡΠΎΠΌΠ° ΠΌΠ΅ΡΠ°Π»Π»Π° M = Re, Mn Π½Π° ΡΡΡΡΠΊΡΡΡΠ½ΡΠ΅ ΠΈ ΡΠΏΠ΅ΠΊΡΡΠ°Π»ΡΠ½ΡΠ΅ Ρ
Π°ΡΠ°ΠΊΡΠ΅ΡΠΈΡΡΠΈΠΊΠΈ ΠΊΠΎΠΌΠΏΠ»Π΅ΠΊΡΠΎΠ² Cp(CO)2MPt(ΞΌ-C=CHPh)(PPh3)2.The interaction between Cp(CO)2Re=C=CHPh (1) and Pt(PPh3)4 afforded the ΞΌ-vinylidene complex Cp(CO)2RePt(ΞΌ-C=CHPh)(PPh3)2 (2). The IR and 1H, 13C and 31P NMR spectra of complex 2 were studied. Crystal and molecular structure of complex 2 has been determined by an X-ray single crystal analysis. The bond distances and angles are ReβPt 2.7360(3), ReβC1 2.083(5), PtβC1 2.008(4), C1=C2 1.351(6) Γ
; Pt-C1-C2 133.5(4), Re-C1-C2 141.6(4)Β°. The influence of the nature of the M = Re, Mn atoms on structural and spectroscopic characteristics of complexes Cp(CO)2MPt(ΞΌ-C=CHPh)-(PPh3)2 has been considered