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  • iridium  (2)
  • 1995-1999  (2)
  • 1
    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
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  • 2
    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
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