Výsledky vyhledávání

Application of Molecular Modeling to C−H Activation in Organoiron Compounds

Autor: Peter W. Jolly, S. Geier, and C. Krüger, Klaus Angermund, Frank Lutz, Magnus Kessler

Publikováno v: Organometallics. 17:2399-2403

Molecular modeling has been applied to the products of the reaction between bidentate-phosphine-stabilized iron species and 1,5-hexadiene. On the basis of the TRIPOS force field, a complete set of ...

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::b2380a3a6aa91d289d5fdb6c8b8bec73
https://doi.org/10.1021/om971110q

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Neutron Diffraction Structure of (2R,3R)-l-(−)-[2-D]Carnitine Tetrachloroaurate, [(CH3)3N-CH2-CHOH-CHD-COOH]+[AuCl4]-: Determination of the Absolute Stereochemistry of the Crotonobetaine-to-Carnitine Transformation Catalyzed by l-Carnitine Dehydratase from Escherichia coli

Autor: Wim T. Klooster, Fred Brewer, Sasha Englard, André Schreiber, Hermann Seim, Roy S. Lu, Tobias Metzenthin, Thomas F. Koetzle, Hans Peter Kleber, Frank Lutz, Robert Bau

Publikováno v: Journal of the American Chemical Society. 119:12055-12060

Single-crystal neutron diffraction has been used to determine the stereochemical course of the hydration of trans-crotonobetaine to l-(−)-carnitine by the enzyme l-carnitine dehydratase. Firstly, an X-ray analysis of the undeuterated carnitinium sa

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::c2a5855517c54482bf826d91310cdc68
https://doi.org/10.1021/ja972105g

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Complexes [(P2)Rh(hfacac)] as Model Compounds for the Fragment [(P2)Rh] and as Highly Active Catalysts for CO2 Hydrogenation: The Accessible Molecular Surface (AMS) Model as an Approach to Quantifying the Intrinsic Steric Properties of Chelating Ligands in Homogeneous Catalysis

Autor: Magnus Kessler, Eckhard Dinjus, Roland Fornika, Klaus Angermund, Frank Lutz, Carl Krüger, Helmar Görls, Walter Leitner, Wolfgang Baumann

Publikováno v: Chemistry - A European Journal. 3:755-764

The complexes [(P2)Rh(hfacac)] 1 [P2 = R2P-(X)-PR2] are introduced as model compounds for the investigation of the intrinsic steric properties of the [(P2)Rh] fragment. The ligand exchange processes that occur during the syntheses of 1 from [(cod)Rh(

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::d0904fb3843c02a398c95d464936a507
https://doi.org/10.1002/chem.19970030516

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Reaction of Unconjugated Dienes with [Fe(R2P(CH2)nPR2)] Species

Autor: Frank Lutz, Peter W. Jolly, Carl Krüger, Richard Goddard, S. Geier, Sigrid Holle

Publikováno v: Organometallics. 16:1612-1620

The effect of varying the bidentate ligand upon the reaction of unconjugated dienes with (R2P(CH2)nPR2)Fe0 species has been investigated. Depending upon the nature of the substituents at phosphorus and upon the length of the hydrocarbon chain joining

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::89f26662bc86b058ca87a641c900e7c2
https://doi.org/10.1021/om9610004

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Synthese, Koordinationschemie und Ligandeneigenschaften sekundärer Phosphane R(Ar*)PH mit sperrigen aromatischen Resten - Molekülstruktur von Ph(2,4,6-iPr3C6H2)PH, (2,4,6-iPr3C6H2)2PH und ClAu[PhP(2,4,6-Bu3C6H2)H] / Synthesis, Coordination Chemistry and Ligand Properties of Secondary Phosphines R(Ar*)PH with Bulky Aromatic Substituents - Molecular Structure of Ph(2,4,6-iPr3C6H2)PH, (2,4,6-iPr3C6H2)2PH and ClAu[PhP(2,4,6-tBu3C6H2)H]

Autor: David J. Brauer, Frank Bitterer, Frank Dörrenbach, Gisbert Heßler, Othmar Stelzer, Carl Krüger, Frank Lutz

Publikováno v: Zeitschrift für Naturforschung B. 51:1183-1196

The secondary phosphines R(Ar*)PH(R = Me, iPr, Ph, Mes, Ar*) (2a-2h) with bulky aromatic substituents Ar* (Ar* = 2,3,6-R′ 3C6H2, R′ = iPr, tBu) are obtained in good yields by reaction of RPCl2, PCl3, PBr3 or Ar*P(Cl, Br)2 with 2,4,6-tBu3C6H2Li or

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::d49e0e2b84e9cb86543da1299403c95a
https://doi.org/10.1515/znb-1996-0819

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A Molybdenum‐Catalysed Electrocyclisation‐Cycloaddition Sequence: Synthesis and Structure of a Pentacyclic Unsaturated Ketone

Autor: Frank Lutz, Thomas Schmidt

Publikováno v: Chemische Berichte. 128:953-956

The pentacyclic unsaturated ketone 3 is obtained as the sole product by the reaction of pinocarvone (1) with cycloocta-triene in the presence of catalytic amounts of dicarbonyl-bis(η4-pinocarvone)molybdenum (2). Compound 3 formally resulting from a

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::9032a42b2dc84f699d899b2b0d84411d
https://doi.org/10.1002/cber.19951280917

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Reaction of the biheteroaromatic ligand 2-(2′-pyridyl)quinoxaline (L) were zinc(II) and cadmium(II) halides: Preparation and characterization of the 1 : 1 complexes

Autor: Nick Hadjiliadis, Spyros P. Perlepes, Kasselouri Spyridoula, Frank Lutz, Robert Bau, Garoufis Achilleas

Publikováno v: Polyhedron. 14:1461-1470

The reactions of ZnX2 and CdX2 (X = Cl, Br, I) with the biheteroaromatic ligand 2-(2′-pyridyl)quinoxaline (L) were studied in ethanolic solutions. The new complexes [ZnX2L] (X = Cl, Br, I), [CdI2L] and [Cd2X4L2] were isolated and characterized by e

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::2c17d08eb06b57c3041176788043a792
https://doi.org/10.1016/0277-5387(94)00412-8

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Molecular Modelling: Ein Beitrag zum Verständnis der katalytischen enantioselektiven Hydrovinylierung von Styrol / Molecular Modelling: A Contribution to the Understanding of the Catalytic Enantioselective Hydrovinylation of Styrene

Autor: Klaus Angermund, Frank Lutz, Anette Eckerle

Publikováno v: Zeitschrift für Naturforschung B. 50:488-502

The hydrovinylation of styrene can be catalyzed by the addition of phosphane-modified Ni(II) compounds with high reactivity and enantioselectivity if the azaphospholene 1 is used as P-component of the catalysts. Until recently the industrial applicat

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::f8c47035b1f3c98f9a406b9a773090fe
https://doi.org/10.1515/znb-1995-0406

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Systematic Structural Investigations on Phosphines

Autor: Joachim Bruckmann, Frank Lutz, Carl Krüger

Publikováno v: Zeitschrift für Naturforschung B. 50:351-360

This work contributes to the systematic investigation of phosphines. In an attempt to determine the nature, shape, volume and direction of the lone pairs at the phosphorus atoms in phosphines, high resolution X-ray structure analyses of triphenylphos

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::deda8d97dc00c101fb78b7bffdc979a0
https://doi.org/10.1515/znb-1995-0308

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