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  • Quinine  (2)
  • Rhodium  (2)
  • iridium  (2)
  • Iridium complexes
  • 1995-1999  (5)
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Keywords
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Years
Year
  • 1
    Electronic Resource
    Electronic Resource
    Metal Complexes of Biologically Important Ligands, XCIV. Hexanuclear Isocyanide and Carbene Metal Complexes from Neomycin BDedicated to Professor Armin Weiß on the occasion of his 70th birthday. (1997)
    Weinheim : Wiley-Blackwell
    Berichte der deutschen chemischen Gesellschaft 130 (1997), S. 1659-1662 
    Details
    ISSN: 0009-2940
    Keywords: Hexadeamino-hexaisocyano-neomycin B ; Organometallic complexes ; Gold ; Chromium ; Rhodium ; Iridium ; Ruthenium ; Palladium ; Platinum ; Hexanuclear carbene gold(I) complexes ; Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: From the amino glycoside neomycin B, the acetate-protected hexaisocyanide 4 has been prepared. 4 forms the hexanuclear complexes [(4)(AuCl)6] (5), {(4)[Cr(CO)5]6}, {(4)[MCl2(η5-C5Me5)]6} (M = Rh, Ir), {(4)[RuCl2(p-cymene)]6}, {(4)-[MCl2(PR3)]6} (M=Pd, Pt), and 4{(4)[PdCl(C6H4CH2NMe2)]6). The hexaisocyanohexagold(I) complex 5 reacts with H2NtBu and PhNH2 to give the corresponding carbene complexes. The compounds have been characterized by IR, 13C- and 31P-NMR spectroscopy, and (partially) by FAB-MS data.
    Additional Material: 4 Tab.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/cber.19971301117
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  • 2
    Electronic Resource
    Electronic Resource
    Metal Complexes of Biologically Important Ligands, LXXXVI. Organometallic Complexes of Ruthenium(II), Rhodium(III), Iridium(III), and Gold(I) with Cinchona AlkaloidsDedicated to Dr. Janina Altman on the occasion of her 65th birthday. (1996)
    Weinheim : Wiley-Blackwell
    Berichte der deutschen chemischen Gesellschaft 129 (1996), S. 331-335 
    Details
    ISSN: 0009-2940
    Keywords: Quinine ; Cinchonidine ; Quinidine ; Chinchonine ; Ruthenium complexes ; Gold complexes ; Rhodium complexes ; Iridium complexes ; Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: The following chiral organometallic complexes of the cinchona alkaloids quinine (L1), cinchonidine (L2), quinidine (L3), cinchonine (L4) were prepared: [(η5-C5H5)(Ph3P)(OC)-Ru(L)]BF4 (1: L=L1; 2: L=L2; 3: L=L3), ClAuL1 (4), [(η5-C5Me5)(Cl2)Ir(L)] (5: L=L1; 6: L=L2; 7: L=L4), [(η5-C5Me5)(Cl2)Rh(L2)] (8), [(η6-p-cymene)(Cl2)Ru(L)] (9: L=L1; 10: L=L2; 11: L=L4). In all complexes the tertiary nitrogen atom of the cinchona alkaloids is bound to the metal. Complexes 5 - 11 are formed as mixtures of isomers. Elimination of HCl from 10 and 11 gives the neutral N,O-chelate complexes (η6-p-cymene)(Cl)Ru(L2 - H+) (13) and (η6-p-cymene)-(Cl)Ru(L4 - H+) (14) which were structurally characterized by X-ray diffraction.
    Additional Material: 1 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/cber.19961290314
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  • 3
    Electronic Resource
    Electronic Resource
    Cinchona Alkaloids as Versatile Ambivalent Ligands - Coordination of Transition Metals to the Four Potential Donor Sites of Quinine (1999)
    Weinheim : Wiley-Blackwell
    Berichte der deutschen chemischen Gesellschaft 1999 (1999), S. 471-482 
    Details
    ISSN: 1434-1948
    Keywords: Quinine ; Cinchonine ; Palladium ; Platinum ; Silver ; Gold ; Chemistry ; General Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: A series of metal complexes in which quinine (L1) and cinchonine (L2) are coordinated via the four possible donor atoms was prepared and characterized. Coordination of the tertiary N atom of quinine is observed in [L1MPPh3]+NO3- [M = Au (1), Ag (2)], [L1Pd(COD)(Cl)]+ NO3- (3) and L1Pd(Cl)(allyl) (4). The mono anion of quinine functions as N,O chelate ligand in (L1-H+)M(Cl)(PR3) (M = Pd, Pt, 5-10), [(L1-H+)Pd(en)]+NO3- (11) and (L1-H+)2TiCl2 (12). Protection of the tertiary N atom of quinine by methylation or protonation allows the synthesis of the quinoline complexes [(L1CH3+)M(Cl)2(PR3)]+ BF4- (M = Pd, Pt, 14-18), [(L1CH3+)Ir(Cl)2(Cp*)]+ BF4- (19), [(L1+H+)M(Cl)2(PR3)]+ CF3SO3- (M = Pd, Pt, 20-22) and (L2+H+)(ZnCl3-) (23). Quinine and cinchonine act as N,O-N bridge in the complexes (R3P)(Cl)M(μ-L1-H+)M(Cl)2(PR3) (M = Pd, Pt, 24, 25, 27, 28), (Cp*)(Cl)Ir(μ-L1-H1)Ir(Cl)2(Cp*) (29), (EtP3)(Cl)Pd(μ-L2-H+)Pd(Cl)2(PEt3) (26), and as N-N bridge in the complexes [(Ph3P)Au(μ-L1)Au(PPh3)]+NO3- (30) and (allyl)(Cl)Pd(μ-L1)Pd(Cl)(allyl) (31). Coordination of quinine via the C=C double bond occurs in [(L1+2 H+)PtCl3]+Cl- (32). The structures of 11, 13, 19, 23, 26 and 32 were determined by X-ray diffraction. In most cases the coordination mode and the conformation of quinine can also be derived from the 1H-NMR spectra.
    Additional Material: 6 Ill.
    Type of Medium: Electronic Resource
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  • 4
    Electronic Resource
    Electronic Resource
    Metallkomplexe mit biologisch wichtigen Liganden. LXXXIILXXXI. Mitteilung: K. Severin, S. Mihan, W. Beck, Chem. Ber. 128 (1995) 1127. Triphenylphosphan-Molybdän-, Wolfram-, Ruthenium- und Iridium-Komplexe mit N-acylierten α-AminocarboxylatenProfessor Kurt Dehnicke zum 65. Geburtstag gewidmet (1996)
    Weinheim : Wiley-Blackwell
    Zeitschrift für anorganische Chemie 622 (1996), S. 562-570 
    Details
    ISSN: 0044-2313
    Keywords: Triphenylphosphine complexes ; hydrido complexes ; N-acyl-α-aminoacidates ; molybdenum ; tungsten ; ruthenium ; iridium ; Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: Metal Complexes of Biological Important Ligands. LXXXII. Triphenylphosphine Molybdenum, Tungsten, Ruthenium, and Iridium Complexes of N-Acyl-α-AminocarboxylatesThe reactions of the hydrido complexes RuHCl(CO) · (PPh3)3, RuH2(PPh3)4 and IrH3(PPh3)3 with N-acyl-α-aminocarboxylates give the carboxylate complexes RuCl(O2CCHRNHCOR′)(CO)(PPh3)2 (1-3), RuH(O2CCHRNHCOR′)(PPh3)3 (4-6) and IrH2(O2CCH2NHCOPh)(PPh3)3 (7). The structure of RuCl · (O2CCHNHCOPh)(CO)(PPh3)2 (1) has been determined by x-ray diffraction. The triphenylphosphine complexes MBr · (O2CCH2NHCOR)(CO)2(PPh3)2 (M = Mo, W) (8-12) and Mo(O2CCHRNHCOR′)2(CO)2(PPh3)2 (13-17) are formed from MBr2(CO)2(PPh3)2 (M = Mo, W) with one or two equivalents of N-acyl-a-aminoacidates, respectively.
    Notes: Die Hydrido-Komplexe RuHCl(CO)(PPh3)3, RuH2(PPh3)4 und IrH3(PPh3)3 reagieren mit N-Acyl-α-Amino-carbonsäuren unter Bildung der Carboxylat-Komplexe RuCl(O2CCHRNHCOR′)(CO)(PPh3)2 (1-3), RuH(O2CCHRNHCOR′)(PPh3)3 (4-6) und IrH2(O2CCH2NHCOPh)(PPh3)3 (7). Die Struktur von RuCl(O2CCH2NHCOPh)(CO)(PPh3)2 (1) wurde röntgenographisch bestimmt. Phosphan-Komplexe der Formel MBr(O2CCH2NHCOR)(CO)2(PPh3)2 (M = Mo, W) (8-12) und Mo(O2CCHRNHCOR′)2(CO)2(PPh3)2 (13-17) entstehen bei der Umsetzung von MBr2(CO)2(PPh3)2 mit einem bzw. zwei Äquivalenten N-Acyl-α-Aminocarboxylat-Anionen.
    Additional Material: 3 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/zaac.19966220329
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  • 5
    Electronic Resource
    Electronic Resource
    Metallkomplexe mit biologisch wichtigen Liganden. XCV. η5- Pentamethylcyclopentadienyl-Rhodium-, -Iridium-, (η6-Benzol)-Ruthenium- und Phosphan-Palladium-Komplexe von Prolinmethylester und ProlinamidProfessor Anton Meller zum 65. Geburtstag gewidmet (1997)
    Weinheim : Wiley-Blackwell
    Zeitschrift für anorganische Chemie 623 (1997), S. 1903-1911 
    Details
    ISSN: 0044-2313
    Keywords: Rhodium ; ruthenium ; iridium ; palladium ; proline ; amide complexes ; proline methylester complexes ; crystal structure ; Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: Metal Complexes of Biologically Important Ligands. XCV. η5-Pentamethylcyclopentadienyl Rhodium, Iridium, η6- Benzene Ruthenium, and Phosphine Palladium Complexes of Proline Methylester and Proline AmideProline methylester (L1) and proline amide (L2) give with the chloro bridged complexes [(η5 -C5Me5)MCl2]2 (M = Rh, Ir), [(η6 -benzene)RuCl2]2 and [Et3PPdCl2]2 N and N,O coordinated compounds: (η5 -C5Me5)M(Cl2)L1 (1, 2 M = Rh, Ir), [(η5-C5Me5) Rh(Cl)(L2)]+Cl- (5), [(η6- C6Me6) Ru(Cl)(L2)]+Cl- (6), [(η6-p-cymene)Ru(Cl)(L2)]+Cl- (7), [(eta;5-C5Me5)M(Cl)(L2-H+)] (9, 10 M = Rh, Ir), (Et3P)Pd(Cl)2L1 (3), and [(Et3P)Pd(Cl)(L2)]+Cl- (8). The NMR spectra indicate that for 5 and 6 only one diastereoisomer is formed. The complexes 1, 2, 3 and 5 were characterized by X-ray diffraction.
    Notes: Prolinmethylester (L1) und Prolinamid (L2) bilden mit den chlorverbrückten Komplexen [(η5-C5Me5)MCl2]2 (M = Rh, Ir), [(η6-p-Cymol)RuCl2]2 und [Et3PPdCl2]2 Verbindungen mit N- und N,O-Koordination: (η5-C5Me5)M(Cl2)L1 (1, 2 M = Rh, Ir), [(η5-C5Me5) Rh(Cl) (L2)]+Cl- (5), [(η6- C6Me6)Ru(Cl) (L2)]+Cl- (6), [(η6-p- Cymol)Ru(Cl)(L2)]+Cl- (7), [(η5- C5Me5)M(Cl)(L2-H+)] (9, 10 M = Rh, Ir), (Et3P)Pd(Cl)2L1 (3) und [(Et3P)Pd(Cl)(L2)]+Cl- (8). Die NMR Spektren weisen darauf hin, daß von 5 und 6 jeweils nur ein Diastereoisomeres entsteht. Die Komplexe 1, 2, 3 und 5 wurden durch Röntgenstrukturanalyse charakterisiert.
    Additional Material: 4 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/zaac.19976231214
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