1995
DOI: 10.1515/znb-1995-0220
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Metallkomplexe mit biologisch wichtigen Liganden, LXXV. Synthese metallorganischer Cobalt(III)-, Iridium(III)- und Ruthenium(II)-Komplexe mit α-Iminocarboxylat-Liganden Metal Complexes of Biologically Important Ligands, LXXV. Synthesis of Organometallic Cobalt(III), Iridium(III) and Ruthenium(II) Complexes with α-Iminocarboxylate Ligands

Abstract: The α-iminocarboxylato chelate complexes RuH(CO)[OOC-C(R1)=N-R2](PPh3)2 (1), η6-p-cymene)RuCl[OOC-C(R)=N-CH2CO2Me] (3) and Cp*CoI[OOC-C(R1)= N-R2] (4) have been obtained from RuHCl(CO)(PPh3)3, [(η6-p-cymene)RuCl2] and Cp*Co(CO)I2, respectively and 2-oxocarboxylate/amine. The structure of (η6-p-cymene)RuCl[OOC-C(CH3)= N-CH2CO2Me] (3a) has been determined by X-ray diffraction. By use of diamines the corresponding dinuclear cobalt and iridium complexes (5, 6) are formed from 2-oxocarboxylate and Cp*Co(CO)I2 or [C… Show more

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Cited by 10 publications
(7 citation statements)
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“…1 A promising alternative approach makes use of the ability of a single metal centre to simultaneously activate and protect even multifunctional organic substrates. 4 Thus, 2-iminocarboxylates have been stabilized to hydrolysis and rupture to varying degrees by chelation to Fe(), 5 Cu(), 6 Pd(), 7-8 Mo(), 9 Ru(), [10][11][12][13][14][15][16] Co(), 10,12,17-28 Rh() 8, 10 and Ir(). [10][11][12] Even so, activation of the imine moiety is evident in some instances and further modification of the organic ligand in a controlled fashion is feasible.…”
Section: Introductionmentioning
confidence: 99%
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“…1 A promising alternative approach makes use of the ability of a single metal centre to simultaneously activate and protect even multifunctional organic substrates. 4 Thus, 2-iminocarboxylates have been stabilized to hydrolysis and rupture to varying degrees by chelation to Fe(), 5 Cu(), 6 Pd(), 7-8 Mo(), 9 Ru(), [10][11][12][13][14][15][16] Co(), 10,12,17-28 Rh() 8, 10 and Ir(). [10][11][12] Even so, activation of the imine moiety is evident in some instances and further modification of the organic ligand in a controlled fashion is feasible.…”
Section: Introductionmentioning
confidence: 99%
“…4 Thus, 2-iminocarboxylates have been stabilized to hydrolysis and rupture to varying degrees by chelation to Fe(), 5 Cu(), 6 Pd(), 7-8 Mo(), 9 Ru(), [10][11][12][13][14][15][16] Co(), 10,12,17-28 Rh() 8, 10 and Ir(). [10][11][12] Even so, activation of the imine moiety is evident in some instances and further modification of the organic ligand in a controlled fashion is feasible. In addition, the inherent chirality of many substitutionally inert octahedral complexes with chelate ligands may render ligand modification reactions stereoselective.…”
Section: Introductionmentioning
confidence: 99%
“…2‐Iminocarboxylat‐Komplexe können in einer Eintopf‐Reaktion aus Amin, 2‐Oxocarboxylaten und einer Metall‐Verbindung erhalten werden und solche Komplexe wurden nach dieser Methode mit Cu II 2 und Pd II [3, 4], mit Fe III 5, mit Co III [6, 7], mit Halbsandwich‐Komplexen von Mo II 8, Ru II , Co III , Rh III , Ir III [4, 9, 10] sowie mit [(H)(OC)(Ph 3 P) 2 Ru] + 10 synthetisiert. Als Aminkomponenten finden α‐Aminosäuren, Aminosäureester sowie aliphatische und aromatische Amine Verwendung.…”
Section: Introductionunclassified
“…Als Aminkomponenten finden α‐Aminosäuren, Aminosäureester sowie aliphatische und aromatische Amine Verwendung. Mit Diaminen entstehen zweikernige Komplexe 10. Die Reaktionen von Lanthanoid(III)‐chlorid mit Tris‐(2‐aminoethyl)amin und 2‐Oxocarboxylat führte zu oligomeren Komplexen mit neuartigen tripodalen Poly(iminocarboxylat)‐Liganden 11.…”
Section: Introductionunclassified
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