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1Author    Roland Boese, Dieter Bläser, Wolfgang PetzRequires cookie*
 Title    [Fe(C0)  
 Abstract    4 C(0)NMe 2 ][C(NMe 2)3]; die erste Strukturbestimmung einer Organometallverbindung mit dem Carbeniumion [C(NMe 2) 3 ] + [Fe(C0) 4 C(0)NMe 2 ][C(NMe 2) 3 ]; the First Structure Determination on an Organometallic Compound with the Carbenium Ion [C(NMe 2) 3 ] + The crystal structure of the carbamoyl complex [(C0) 4 FeC(0)NMe 2 ][C(NMe 2) 3 ] (1) is de-scribed. It crystallizes in the triclinic space group PI (a = 7.876(3), b = 10.098(3), c = 12.067(5)Ä, a = 94.25(3), ß = 90.94(3), y = 97.30(3)°, Z = 2) and consists of independent ions. The cation has a planar CN 3 array with sp 2 hybridized C and N atoms. The carbamoyl group of the anion occupies an axial position in the trigonal bipyramidal environment of the iron atom. 
  Reference    Z. Naturforsch. 43b, 945—948 (1988); eingegangen am 26. Februar/14. April 1988 
  Published    1988 
  Keywords    Crystal Structure, Iron Complex, Carbamoyl Complex, Guanidinium Cation 
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 TEI-XML for    default:Reihe_B/43/ZNB-1988-43b-0945.pdf 
 Identifier    ZNB-1988-43b-0945 
 Volume    43 
2Author    Dieter Sellmann, W. Olfgang, Soglowek, M. Atthias, MollRequires cookie*
 Title    Übergangsmetallkomplexe mit Schwefelliganden, XCI+ Fen-Komplexe des fünfzähnigen Thioether-Thiolat-Aminliganden 'buN HS4'-H2: Synthese, Charakterisierung, Reaktivität und Stereochemie ('buNHS4'-H2 = 2 ,2 -Bis(2-mercapto-3,5-di-tertiärbutyl-phenylthio)diethylamin)  
 Abstract    Transition M etal Complexes with Sulfur Ligands, X C I+ Fe11 Complexes o f the Pentadentate Thioether-Thiolate-Amine Ligand 'buN HS4'-H 2: Synthesis, Characterization, Reactivity and Stereochemistry (,buN HS4'-H 2 = 2,2'-Bis(2-mercapto-3,5-di-tertiarybutyl-phenylthio)diethylamine) In search o f m odel com pounds for the active centers o f nitrogenases, [Fe(L)('buN HS4')] complexes o f the pentadentate thioether-thiolate-amine ligand 'buN HS4'2-('buN HS4'-H2 = 2,2'-bis(2-mercapto-3,5-di-tertiarybutyl-phenylthio)diethylamine) were obtained. A lkylation o f 'buS2'-H2 with (BrC2H4),N H yielded the new ligand 'buN HS4'-H2 as a mixture o f positional isomers. Isolation o f single isomers was achieved by reacting the mixture with FeCl2-4 H 20 and CO in order to give the corresponding [Fe(CO)] complexes which were se­ parated and hydrolyzed to yield the free ligands. R eaction o f 'buN HS4'-H2 with FeCl2 -4 H 20 led to the high-spin complex [Fe('buN HS4')] which is extremely air-sensitive in solution. It rapidly reacts with L = CO, NO, PM e3, and N 2H4, and is the m ost suitable starting material for syntheses o f [Fe(L)('buN HS4')l complexes which were characterized for L = CO, N O +, N O , PM e3 and N 2H4. All complexes are considerably better soluble in organic solvents than the corresponding parent compounds [Fe(L)('NHS4')], ('N hS4'-H 2 = 2,2'-bis(2-mercaptophenylthio)diethylamine), but have similar properties in most other respects. In the oxidation o f [F e(N 2H 4)('buN HS4')] at low temperatures, there is evidence for the form ation o f the diazene com plex [u-N 2H2{Fe('buN HS4')}2]. 
  Reference    Z. Naturforsch. 47b, 1105 (1992); eingegangen am 10. April 1992 
  Published    1992 
  Keywords    Iron Complexes, Thioether-Thiolate Ligand, Synthesis 
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 TEI-XML for    default:Reihe_B/47/ZNB-1992-47b-1105.pdf 
 Identifier    ZNB-1992-47b-1105 
 Volume    47 
3Author    Jochen Ellermann, Peter Gabold, FalkA. Knoch, MatthiasM. Oll, Astrid Schmidt, Martin SchützRequires cookie*
 Title    Chemie polyfunktioneller Moleküle, 120 [1] Synthesen und Kristallstrukturanalysen von Tris(imido-tetraphenyl- diphosphinato-0,0')eisen(III) und des PP-verknüpften Phosphazens Ph2P-N=PPh2-PPh2=N-PPh2 Chemistry o f Polyfunctional M olecules, 120 [11 Syntheses and Crystal Structures o f Tris(imido-tetraphenyl-diphosphinato-0,0')iron(III) and o f the PP-Connected Phosphazene Ph2P-N=PPh2-PPh2=N-PPh2  
 Abstract    While the reaction of anhydrous iron(III) chloride with the chelate ligand [(C6H5)2P(0)]2NH (6) is an efficient way to synthesize the new tricyclic compound imido-tetraphenyl-diphosphinato-0,0'iron(III), [Fe{0-P(Ph2)=N-P(Ph2)= 0 }3] (4), treatment of [(C6H5)2P]2NLi (1) with anhydrous iron(III) fluoride in THF represents a simple route to obtain the phosphorus-phosphorus connected species Ph2P-N=PPh2-PPh2=N-PPh2(7). Both compounds were charac­ terized by X-ray crystallography, 'H ,31 P {1H}, 13C {1H} NMR, IR, Raman and mass spectra. 
  Reference    Z. Naturforsch. 51b, 201—208 (1996); eingegangen am 24. Juli 1995 
  Published    1996 
  Keywords    Phosphazene, Iron Complexes, Synthesis, X-Ray 
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 TEI-XML for    default:Reihe_B/51/ZNB-1996-51b-0201.pdf 
 Identifier    ZNB-1996-51b-0201 
 Volume    51 
4Author    ProfRequires cookie*
 Title    Funktionalisierte tripod-Liganden mit Neopentan-Grundgerüst: Umsetzung von HOCH2C(CH2PR 2)3 mit Elektrophilen  
 Abstract    Several ways to functionalize hydroxy-rn'pod-ligands (H O C H 2C (C H 2PR2)3) by activation with electrophiles are presented. The use o f carboxylic halides and anhydrides is shown to be generally successful for esterification reactions in a one-pot synthesis starting from the oxetanes 0 (C H 2)2C(CH2PR2)2. Facial coordinaton of the related esters towards iron(II) and molybdenum(O) can be achieved depending on the nature of the phosphane donor groups. If methyliodide or trimethylsilylchloride are used as electrophiles in order to functionalize the hydroxy group in H O CH 2C (CH 2PR2)3, it is necessary to proctect the phosphane groups by formation of the tris-borane adduct. All new compounds have been fully characterized by the usual analytical techniques as well as by X-ray analyses on selected examples. 
  Reference    Z. Naturforsch. 50b, 1287—1306 (1995); eingegangen am 20. Januar 1995 
  Published    1995 
  Keywords    Functionalized Neopentane Compound, Esterification, Phosphane-Boranes, Iron Complexes, M olybdenum Complexes 
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 TEI-XML for    default:Reihe_B/50/ZNB-1995-50b-1287.pdf 
 Identifier    ZNB-1995-50b-1287 
 Volume    50 
5Author    Udo Kunze, Antonios AntoniadisRequires cookie*
 Title    Phosphinsubstituierte Chelatliganden, IV [1] Neue Diphenylphosphinoformamid-Komplexe des Mangans und Eisens Phosphine Substituted Chelate Ligands, IV [1] New Diphenylphosphino Formamide Complexes of Manganese and Iron  
 Abstract    The phosphino and (thio)phosphoryl formamides la, b, 2a-c, 3a, b, 4a, b which were partially unknown are synthesized by various methods, and their reactions with carbonyl-metal halides of manganese and iron are described. The formation of the P,N-and S,N-coordinate chelate complexes, (CO)4MnL (5 a, 8a), is limited to the N-phenyl derivatives la and 4a. With L = 2a, b, the unidentate P-coordination predominates. Thus, the carbonylmetal halide complexes cis-(CO)4Mn(X)L (6a, b: X = CI, 7a, b: X = Br) and 7? 5 -C5H5(CO)Fe(X)L (9a, b: X = I, 10a, b: X = Br) are obtained. Due to the low stability of the formamide complexes, their formation is always accompanied by isocyanate elimi-nation as a side-reaction. 
  Reference    Z. Naturforsch. 37b, 560—567 (1982); eingegangen am 17. November 1981 
  Published    1982 
  Keywords    Chelate Ligands, Phosphino Formamide, Manganese Complexes, Iron Complexes, Isocyanate Elimination 
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 TEI-XML for    default:Reihe_B/37/ZNB-1982-37b-0560.pdf 
 Identifier    ZNB-1982-37b-0560 
 Volume    37 
6Author    A. Asam, B. Janssen, G. Hüttner, L. Zsolnai, O. W. AlterRequires cookie*
 Title    tripod-Eisen-und rri/?o*/-Cobalt-Komplexe mit Acetonitril als Stützliganden {tripod = RCH2C(CH2PPh2)3; R = H, Ph) tripod-Iron and m pod-Cobalt-Complexes with Acetonitrile as Supporting Ligands (tripod = RCH2C(CH2PPh2)3; R = H, Ph)  
 Abstract    The tripod ligands R C H ,C (C H 2 PPh2) 3 react with (C H 3 CN)6Fe(BF4) 2 to yield the 
  Reference    Z. Naturforsch. 48b, 1707—1714 (1993); eingegangen am 29. Juli 1993 
  Published    1993 
  Keywords    T ripod Ligands, Iron Complexes, Cobalt Complexes, Synthesis, Structure 
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 TEI-XML for    default:Reihe_B/48/ZNB-1993-48b-1707.pdf 
 Identifier    ZNB-1993-48b-1707 
 Volume    48 
7Author    Jochen Ellermann3, Martin Schütz3, FrankW. Heinemann3, Matthias Moll3, Walter BauerbRequires cookie*
 Title    Chemie polyfunktioneller Moleküle, 127 [1] PPh2-Eliminierung aus dem PP-verknüpften Phosphazen Ph2P-N=PPh2-PPh2=N-PPh2 mit [C5H5Fe(CO)(/x-CO)]2; Kristallstrukturanalyse des Phosphazen-Derivats Chemistry of Polyfunctional Molecules, 127 [1] PPh2 Elimination from the PP Connected Phosphazene Ph2P-N=PPh2-PPh2=N-PPh-, with [C5H5Fe(CO)(^-CO)]2; Crystal Structure of the Phosphazene Derivative  
 Abstract    The reaction of Ph2P-N=PPh2-PPh2=N-PPh2 (Ph = C6H5, 2) with [CpFe(CO)(^-CO)]2 (Cp = C5H5, 3) yields under elimination of a PPh2-group from 2 and cleavage of the Fe-Fe bond in 3 the monocyclic ferraphosphazene complex Cp(OC)Fe-Ph2P-N=PPh2=N-PPh2 (4) and Ph2P-PPh2 (5). In a side reaction the P-P bond of 2 is also cleaved in a redox process to give Cp(OC)Fe-Ph2P-N-PPh2 (7). Compound 4 has been characterized by a crystal structure determination. 
  Reference    Z. Naturforsch. 52b, 795—800 (1997); eingegangen am 7. April 1997 
  Published    1997 
  Keywords    Phosphazene, Iron Complexes, X-Ray, Elimination of PPh2, Cleavage of PP 
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 TEI-XML for    default:Reihe_B/52/ZNB-1997-52b-0795.pdf 
 Identifier    ZNB-1997-52b-0795 
 Volume    52