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2001[X]
101Author    Ingo-Peter Lorenz3, Rudolf Schneider3, Heinrich Nöth3, Kurt Polborn3, Joachim BreunigbRequires cookie*
 Title    Synthesis and Structure of Di-and Triferriostibonium Salts of the Type [Fp2SbPh2]2FeX4 and [Fp3SbR]2FeX4 (Fp = CpFe(CO)2, R = Ph, Cl; X = Cl, Br, I)  
 Abstract    , 2001 Ferriostibonium Salts, Organometallated Antimony, Silyl Method The reaction of Ph2SbSiMe3 with CpFe(CO)2X (X = Cl, Br) leads to the formation of the diphenyldiferriostibonium salts [{CpFe(CO)2}2SbPh2]2FeX4, whereas PhSb(SiMe3)2 and CpFe(CO)2Cl react to give the phenyltriferriostibonium salt [{CpFe(CO)2|3Sb]2FeCl4. Sb(SiMe3)3 reacts with CpFe(CO)2X (X = Cl, Br) to yield the halogenotriferriostibonium salts [{CpFe(CO)2}3SbX]2FeX4. The chloro derivative can also be obtained: from SbCl3 with {CpFe(CO)2}2 or Na[CpFe(CO)2], and from SbCl5 and Na[CpFe(CO)2], The compounds have been characterized by spectroscopic (IR, NMR, MS), analytical (C, H) and X-ray dif­ fraction investigations ([{CpFe(CO)2}iSbPh2]9FeBr4, [{CpFe(CO)2}3SbPh]-.FeCl4, [{CpFe(CO)2}3SbCl]2FeCl4). 
  Reference    Z. Naturforsch. 56b, 671—679 (2001); received May 14 
  Published    2001 
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 Identifier    ZNB-2001-56b-0671 
 Volume    56 
102Author    Requires cookie*
 Title    Polysulfonylamine  
 Abstract    , CXXXVIII [1], 1.1-Di(organosu!fonyl)-3,3-diorganylharnstoffe: Synthese von acht Vertretern und Kristallstruktur des Prototyps (MeS0 2)2N -C (0)-N M e2 
  Reference    Z. Naturforsch. 56b, 680 (2001) 
  Published    2001 
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 TEI-XML for    default:Reihe_B/56/ZNB-2001-56b-0680.pdf 
 Identifier    ZNB-2001-56b-0680 
 Volume    56 
103Author    JavedH Z Aid I3, FazalN. Aeem, R. Ashid Iq, M. Alb, Oham, Ed Iqbal, C. Houdharyc, KhalidM. Oham, EdK. Hanc, ShahnazP. Erv Een, SyedT Ali Shahc, SafdarH. Ayatc, W. Olfgang, V. Oelterd, H. P. FritzRequires cookie*
 Title    Synthesis and Bioactivities of Naturally Occurring Anthraquinones: Isochrysophanol, Isozyganein, w-Hydroxyisochrysophanol and Morindaparvin  
 Abstract    Anthraquinones, Antibacterial Activity of Anthraquinones, Cytotoxicity of A nthraquinones Isochrysophanol, isozyganein, &>-hydroxyisochrysophanol, and morindaparvin are naturally occurring substituted anthraquinones. We report the synthesis of these compounds as well as selected biological activities. 
  Reference    Z. Naturforsch. 56b, 689—696 (2001); received May 2001 
  Published    2001 
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 TEI-XML for    default:Reihe_B/56/ZNB-2001-56b-0689.pdf 
 Identifier    ZNB-2001-56b-0689 
 Volume    56 
104Author    H. Ubert, H. UppertzRequires cookie*
 Title    Multianvil High-Pressure Synthesis and Crystal Structure of /3-YbBC>3  
 Abstract    Multianvil, High-Pressure Synthesis, Borates /3-Ytterbium borate (ö-YbBOi) was synthesized under high-pressure in a Walker-type mul­ tianvil apparatus at 2.2 GPa and 1400 °C. The title-compound crystallizes in the trigonal calcite structure, space group R3c. Single crystal X-ray data yielded a = 492.1(2), c = 1630.5(9) pm, wR2 = 0.0344 for 165 F 2 values and 11 variable parameters. Within the trigonal planar BO3 groups the B-O distance is 137.8(4) pm. The ytterbium atoms have a slightly distorted octahedral oxygen coordination (Yb-O: 224.4(2) pm). 
  Reference    Z. Naturforsch. 56b, 697—703 (2001); received April 5 2001 
  Published    2001 
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 TEI-XML for    default:Reihe_B/56/ZNB-2001-56b-0697.pdf 
 Identifier    ZNB-2001-56b-0697 
 Volume    56 
105Author    Norbert Kuhn, Martin Grathwohl, Christiane Nachtigal, Manfred SteimannRequires cookie*
 Title    2.3-Dihydro-2-methoxyethylimino-l,3-dimethylimidazol -ein neuer hemilabil koordinierender Chelatligand [1] 2.3-Dihydro-2-methoxyethylimino-\ ,3-dimethylimidazole -a Novel Hemilabile Coordinating Chelate Ligand [1]  
 Abstract    The bifunctional 2,3-dihydro-2-methoxyethylimino-l,3-dimethylimidazole (C8H 15N30 , 10) is obtained from the reaction of methoxyethyl tosylate (7) and 2,3-dihydro-2-imino-l,3-dimethylimidazole (8) followed by deprotonation in good yield. 10 reacts with {(COD)RhCl}2 (COD = 1,5-cyclooctadiene) to give the imine complex (C8H 15N30)Rh(C0D)Cl (11), which is converted into the chelate complex [(C8H 15N30)Rh(C0D)]BF4 (12) on treatment with AgBF4. The imine complex (C8H 15N30) 2PdCl2 (13) is formed through the reaction of 10 with (PhCN)2PdCl2. The X-ray structures of 11, 13 and 2 C8H 15N30 • H2PdCl4 (15) are reported. R R 1 Rv -■ 
  Reference    Z. Naturforsch. 56b, 704—710 (2001); eingegangen am 28. März 2001 
  Published    2001 
  Keywords    Imidazoles, Rhodium, Palladium 
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 TEI-XML for    default:Reihe_B/56/ZNB-2001-56b-0704.pdf 
 Identifier    ZNB-2001-56b-0704 
 Volume    56 
106Author    StefanD. Nogai, Annette Schier, Hubert SchmidbaurRequires cookie*
 Title    Soluble Pyridine Complexes of the Ternary Gallium(III) Chalcogenide Halides (GaEX)3, with E = S, Se and X = Cl, Br  
 Abstract    Pyridine Complexes, Ternary Gallium(III) Chalcogenide Halides The four ternary gallium(III) chalcogenide halides GaEX with E = S, Se and X = Cl, Br can be prepared a) from the binary gallium(III) chalcogenides Ga2E3 and halides Ga^Xö, b) from gallium(I) tetrahalogallates(III) GafGaX.*] and the chalcogen E, and c) from gallium metal and the dichalcogen dihalides E2X2. The new method c) was shown to be the most convenient preparation. The products are readily soluble in pyridine to give trinuclear molecular complexes [GaEX Py]3 which are not volatile without decomposition, but can be purified by crystallization. The structures have been determined by single crystal X-ray diffraction techniques. The two chlorides are isostructural and show twisted tub-form six-membered ring molecules with the pyridine donors in axial positions. The two bromides are also isostructural, but with the pyridine ligands in two axial and one equatorial positions. 
  Reference    Z. Naturforsch. 56b, 711—718 (2001); received May 21 2001 
  Published    2001 
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 Identifier    ZNB-2001-56b-0711 
 Volume    56 
107Author    H. Kara3, Y. Elermanb, K. ProutcRequires cookie*
 Title    Antiferromagnetic Coupling in a (/i-Hydroxo)(/x-pyrazolato)dicopper(II) Complex. Synthesis, Crystal Structure, Magnetic Properties, and Theoretical Studies  
 Abstract    Binuclear Copper(II) Complex, Super-Exchange Interactions, Antiferromagnetic Coupling Preparation, crystal structure and magnetic properties of a 3,5-dimethylpyrazolate bridged binuclear copper(II) complex [Cu2(L')(3,5 prz)] (L1 = l,3-Bis(2-hydroxy-l-napthylidene-amino)propan-2-ol) (1) are reported. Variable-temperature magnetic susceptibility measure­ ments for a powdered sample of the complex were carried out in the temperature range 5 -350 K and analysed to obtain values of the parameter J in the exchange Hamiltonian H = -2JS\ S2. In the dicopper(II) complex [Cu2(L2)(3,5 prz)], (L2 = l,3-Bis(2-hydroxy-5-chloro-salicylideneamino)propan-2-ol) (2) reported recently the antiferromagnetic interaction is much less than that of 1 (-27 = 440 cm-), as result which is difficult to explain in terms of structural factors on the basis of widely accepted criteria. The differences in the magnetic behaviour now have been rationalized using the "ligand orbital complementary" concept. 
  Reference    Z. Naturforsch. 56b, 719—727 (2001); received February 12 2001 
  Published    2001 
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 Identifier    ZNB-2001-56b-0719 
 Volume    56 
108Author    Wemer JahnRequires cookie*
 Title    Synthesis of a Large Water-Soluble Gold Cluster (Au32.36) and its Properties as a Potential Label in Electron Microscopy  
 Abstract    A water-soluble gold cluster with a core of 32 to 36 gold atoms was prepared by NaBH* reduction of the AuCN complex of n-butyl-bis (5-morpholinocarbonyl-2-furyl)-phosphine and characterized by its mass spectrum. The chromatographic behavior, ligand exchange and binding to actin were studied. 
  Reference    Z. Naturforsch. 56b, 728—734 (2001); received April 19 2001 
  Published    2001 
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 Identifier    ZNB-2001-56b-0728 
 Volume    56 
109Author    Requires cookie*
 Title    Koordination des Anions von 2,4-Dicyanoglutaconsäurediethylester an tripodEisen(II)-Einheiten. Die Entstehung helikaler Strukturen  
  Reference    Z. Naturforsch. 56b, 735 (2001) 
  Published    2001 
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 TEI-XML for    default:Reihe_B/56/ZNB-2001-56b-0735.pdf 
 Identifier    ZNB-2001-56b-0735 
 Volume    56 
110Author    MeeY. Kima, WonK. Seoka, HeungN. Lee3, SungH. Hanb, Yongkwan Dongc, Hoseop YuncRequires cookie*
 Title    Structural Characterization of Rh(III) Complexes Containing the Polypyridyl Ligands and Some Properties of their Derivatives  
 Abstract    Rhodium, Polypyridyl The structures of the compounds [Rh(bpy)2(py)(Cl)](C104)2 (2 (C10 4)2) and [Rh(phen)2(py)-(C1)](C104)2 (7 -(C10 4)2) were determined by single-crystal X-ray diffraction. Both complexes show a six-coordinate rhodium atom with two bpy or phen ligands in the cis configuration. The Rh-Cl distances are 2.334(3) and 2.323(2) A, respectively. The bond angles N-Rh-Cl formed with the axially-positioned nitrogen atom are 174.4(2) and 173.8(2)°. The oxidation of aquo complexes, prepared from the corresponding rhodium chloride complexes, by two equivalents of Ce(IV) in 60% HCIO4 solution yields the corresponding mono-oxo products. All complexes have been identified and characterized by elemental analyses, IR, and H NMR data. 
  Reference    Z. Naturforsch. 56b, 747—752 (2001); received January 26 2001 
  Published    2001 
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 Identifier    ZNB-2001-56b-0747 
 Volume    56 
111Author    Matthias WeilRequires cookie*
 Title    Preparation and Crystal Structures of (Hg3 )(P0 4 )Cl, (Hg3)(As04)Cl and (Hg3)(A s04)Br -Mercury Compounds with the Triangular Hg34+ Cluster  
 Abstract    The compounds (Hg3)(PC>4)Cl, (Hg3)(AsC>4)Cl and (Hg3)(As0 4)Br have been prepared under hydrothermal conditions at 200 °C, starting from stoichiometric mixtures of the corresponding mercury halides and mercury phosphates or arsenates, respectively. The formula (Hg3)(As0 4)Cl is identical with that of the mineral kuznetsovite. All compounds are isotypic and crystallize with four formula units in the space group P2\ 3 [(Hg3)(P0 4)Cl: a = 8.2912(5) A; (Hg3)(As0 4)Cl: a = 8.3983(6) A; (Hg3)(As0 4)Br: a = 8.4611(5) A]. All crystal structures have been refined from single crystal diffractometer data sets under consideration of merohedral twinning according to a diagonal mirror plane as twin element. The structures comprise of equilateral mercury triangles with mean distances d(Hg-Hg) = 2.659 A, which are bonded to halogen and oxygen atoms of nearly perfect PO4 or ASO4 tetrahedra, respectively. 
  Reference    Z. Naturforsch. 56b, 753—758 (2001); received March 12 2001 
  Published    2001 
  Keywords    Kuznetsovite, Mercury Cluster Hg34+, Merohedral Twinning 
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 Identifier    ZNB-2001-56b-0753 
 Volume    56 
112Author    Soheila Chitsaz, Effat Iravani, Jochen Pauls, Bernhard NeumüllerRequires cookie*
 Title    Synthese und Kristallstrukturen von Chlorometallaten [M = V(III), Mo(V)] Synthesis and Crystal Structures of Chlorometalates [M = V(III), Mo(V)]  
 Abstract    Vanadium Compound, Molybdenum Compound [(THF)2LiCl2VCl2(THF)2] (1) and [Li(THF)4][OMoCl4(THF)] (2) can be prepared by the reactions of VCI3 with LiCl in THF and of Li(H)P'Bu with OM0 CI4 in THF, respectively. 1 and 2 were characterized by IR spectroscopy, MS spectrometry (2) and X-ray crystallography. 1 can be obtained in two modifications depending on the temperature of crystallization. At -30 °C a triclinic form, la, was isolated from THF solution with one unique molecule per asymmetric unit. However, at 20 °C, lb crystallized in the monoclinic space group P2/c. It possesses four independent molecules per asymmetric unit. According to the structure analyses 1 consists of a dinuclear complex with a planar LiCLV four-membered ring while 2 consists of seperate ions [Li(THF)4]+ and [OMoCl4(THF)]". 
  Reference    Z. Naturforsch. 56b, 759—764 (2001); eingegangen am 30. April 2001 
  Published    2001 
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 Identifier    ZNB-2001-56b-0759 
 Volume    56 
113Author    Requires cookie*
 Title    Polysulfonylamine, CXL [1], N-Cycloalkyldimesylamine C"H2/l_iN(S02CH3)2: Synthesen (n = 3 -6 ), Festkörper-Molekülstrukturen (n = 4 -6 ) und Rolle schwacher Wasserstoffbrücken C -H ***0 in den Kristallstrukturen  
  Reference    Z. Naturforsch. 56b, 765 (2001) 
  Published    2001 
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 Identifier    ZNB-2001-56b-0765 
 Volume    56 
114Author    Requires cookie*
 Title    Synthesis and Spectroscopic Studies of New Bis(N-l-hydroxy-2,6-di-fe/tf-butyl- phenyl-salicylideneaminato)cobalt(II) Complexes and their Oxidation with P b 0 2  
  Reference    Z. Naturforsch. 56b, 778 (2001) 
  Published    2001 
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 Identifier    ZNB-2001-56b-0778 
 Volume    56 
115Author    Yonghong Deng3, Lincoln Scott3, Devin Swanson3, JohnK. Snyder3, Nil Sarib, Hanzade DoganbRequires cookie*
 Title    Guaianolide Sesquiterpene Lactones from Cichorium intybus (Asteraceae) [1]  
 Abstract    19, 2001 Guaianolide, Cichorium intybus, Chicory Ten guaianolides, including three previously unreported natural products, were isolated from the aerial parts of Cichorium intybus (Asteraceae), more commonly known as chicory. Two of the new compounds (8 and 9) were analogues of lactupicrin and 11/3,13-dihydrolactupicrin, respectively, with the C-15 oxidized to the aldehyde state. The third new natural product, which we have called mtybulide A (10), is an isomer of oxygen rather than the C-6 . 
  Reference    Z. Naturforsch. 56b, 787—796 (2001); received March 
  Published    2001 
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 Identifier    ZNB-2001-56b-0787 
 Volume    56 
116Author    A. Shimada3, I. Takahashib, T. Kawanob, Y. KimRequires cookie*
 Title    Chloroisosulochrin, Chloroisosulochrin Dehydrate, and Pestheic Acid, Plant Growth Regulators, Produced by Pestalotiopsis theae  
 Abstract    Chloroisosulochrin, Pestheic A cid, Pestalotiopsis theae N ew plant growth regulators, named chloroisosulochrin, chloroisosulochrin dehydrate and pestheic acid, have been isolated from the culture filtrate of Pestalotiopsis theae grown on a Raulin-Thom medium. Their structures have been established by spectroscopic and chemical methods. The biological activities o f these com pounds have been examined using bioassay methods with lettuce and rice seedlings. 
  Reference    Z. Naturforsch. 56b, 797—8 (2001); received April 19 2001 
  Published    2001 
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 TEI-XML for    default:Reihe_B/56/ZNB-2001-56b-0797.pdf 
 Identifier    ZNB-2001-56b-0797 
 Volume    56 
117Author    Süreyya 01gena, ChungK. ChubRequires cookie*
 Title    Synthesis and Antiviral Activity of 2'-Deoxy-2'-fluoro-L-arabinofuranosyl 1,2,3-Triazole Derivatives  
 Abstract    26, 2001 Triazole Nucleosides, Anti-Viral Activity, Glycosyl Azides The title compounds were prepared by building up the triazole ring at the anomeric posi­ tion via the glycosyl azides 5 a,b. The anomeric configurations of these nucleosides were assigned by using *H, 13C and NOESY NMR spectroscopy. The synthesized nucleosides were evaluated against HIV-1 and HBV. 
  Reference    Z. Naturforsch. 56b, 804—811 (2001); received March 
  Published    2001 
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 TEI-XML for    default:Reihe_B/56/ZNB-2001-56b-0804.pdf 
 Identifier    ZNB-2001-56b-0804 
 Volume    56 
118Author    VasilyV. Kotova, #. '., EvgeniV. Avtomonov, NikolaiA. Ustynyukb, DmitryA. Lemenovskii3Requires cookie*
 Title    Synthesis of New Cyclopentadienyl-, Indenyl-and Fluorenylphosphanes by the Reaction of Carbanions of the Cyclopentadienyl Type with Alkyl(aryl)chloro-A^A^-dialkylaminophosphanes  
 Abstract    30, 2001 Cyclopentadienylphosphanes, Alkyl(aryl)chloro-./V,/V-dialkylaminophosphanes, (Amino)cyclopentadienylphosphanes A number of alkyl(aryl)chloro-iV,/V-dialkylaminophosphanes RP(C1)NR1R2 (la -o) were synthesized starting from alkyl(aryl)dichlorophosphanes RPC12 and amines by a convenient procedure with nearly quantitative yields. The reactivity of alkyl(aryl)-iV,iV-dialkylamino(halo-geno)phosphanes RP(Hal)NR1R2 (Hal = Cl, I) with cyclopentadienyl, bis(cyclopentadienyl), indenyl, bis(indenyl) and fluorenyl carbanions has been investigated. The new aminocyclo-pentadienylphosphanes R"Cp(R)PNR1R2 2 a-f and 3a-c (R"Cp = Ind, Flu, Cp2 CMe2, Ind2 CEt2, Ind2 (CH2)2) were characterized by spectroscopic techniques and elemental analy­ ses. Flu(r-Bu)PN(H)f-Bu (2f) was characterized by X-ray diffraction analysis. 
  Reference    Z. Naturforsch. 56b, 812—822 (2001); received March 
  Published    2001 
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 Identifier    ZNB-2001-56b-0812 
 Volume    56 
119Author    L. Ászló Kotai3, B. Éla Kazinczy3, Á. Gnes Keszler3, Sándor Holly3, IstvánG. Ács3, KalyanK. BanerjibRequires cookie*
 Title    Three Reagents in One: Ammonium Permanganate in the Oxidation of Benzyl Alcohol  
 Abstract    The oxidation or consecutive ammoxidation reaction of benzyl alcohol with solid ammo­ nium permanganate was studied. The first oxidation step leads to the formation of benzalde-hyde, ammonia, and M n 02. The M n 02 is present in the system in a colloidal form which facilitates the reaction between aldehyde and ammonia, and this latter reaction then yields benzonitrile. All these products are formed in a heterogeneous system under relatively mild conditions. The yield of benzaldehyde has an optimum at room temperature and increases with increasing reaction time. A t higher temperature (e.g. 80 °C) benzonitrile is formed to­ gether with minor amounts of benzyl benzoate. 
  Reference    Z. Naturforsch. 56b, 823—8 (2001); received December 20 2000 
  Published    2001 
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 Identifier    ZNB-2001-56b-0823 
 Volume    56 
120Author    D. Edicated, ProfI F DrRequires cookie*
 Title    4'^r-Seco and 4',*-4',5'-Diseco C-Nucleosides from 2-Hydrazino-(3/f)- thieno [2,3-d] pyrimidin-4-ones  
 Abstract    Thieno[2,3-d]pyrimidinone, Triazolo[3,4-a]thieno[2,3-d] pyrimidinone, Sugar Hydrazones 
  Reference    Z. Naturforsch. 56b, 826—8 (2001); received January 18 2001 
  Published    2001 
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 Identifier    ZNB-2001-56b-0826 
 Volume    56 
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