Výsledky vyhledávání - "Robert M. Stoop"

Ruthenium(II) Complexes with Chiral Tetradentate P2N2 Ligands Catalyze the Asymmetric Epoxidation of Olefins with H2O2

Autor: Massimiliano Valentini, Antonio Mezzetti, Robert M. Stoop, Stephan Bachmann

Publikováno v: Organometallics. 19:4117-4126

The five-coordinate complexes of the type [RuCl(PNNP)]PF6 (PNNP = tetradentate ligand with a P2N2 donor set) are prepared by chloride abstraction from [RuCl2(PNNP)]. A mixture of Δ-cis-β- and Λ-cis-β-[RuCl2(1a-κ4P,N,N,P)] (2a; 1a = N,N‘-bis[o-

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::013b7d943b6605e1226786b71c34b8e1
https://doi.org/10.1021/om000481v

Zobrazit plný text záznamu

Toward Metal-Mediated C−F Bond Formation. Synthesis and Reactivity of the 16-Electron Fluoro Complex [RuF(dppp)2]PF6 (dppp = 1,3-Bis(diphenylphosphino)propane)

Autor: and Antonio Togni, Michael Wörle, Antonio Mezzetti, Robert M. Stoop, Peter Barthazy

Publikováno v: Organometallics. 19:2844-2852

The five-coordinate fluoro complex [RuF(dppp)2]PF6 (1a) has been prepared by reacting [RuCl(dppp)2]PF6 (1b) with TlF (dppp = 1,3-bis(diphenylphosphino)propane). An X-ray investigation of 1a shows a distorted trigonal bipyramidal geometry (Y-shaped).

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::bbff4c6933abcf6b4998a1783f08a7ce
https://doi.org/10.1021/om0000156

Zobrazit plný text záznamu

Carbon−Fluorine Bond Formationvia a Five-Coordinate Fluoro Complex of Ruthenium(II), Preliminary Communication

Autor: Lukas Hintermann, Antonio Togni, Antonio Mezzetti, Robert M. Stoop, Peter Barthazy, Michael Wörle

Publikováno v: Helvetica Chimica Acta. 82:2448-2453

The 16-electron, five-coordinate fluoro complex [RuF(dppp)2]PF6 (1a; dppp=propane-1,3-diylbis[diphenylphosphine] smoothly reacts with 1,3-diphenylallyl bromide (=1,1′-(3-bromoprop-1-ene-1,3-diyl)bis[benzene]) in dry CDCl3 to give 1,3-diphenylallyl

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::cb7ef7c519a3f4cd06d6a178b28cb861
https://doi.org/10.1002/(sici)1522-2675(19991215)82:12<2448::aid-hlca2448>3.0.co

Zobrazit plný text záznamu

Five-Coordinate [RuCl(P−P*)2]+ Complexes Containing Chiral Diphosphines: Application in the Asymmetric Cyclopropanation and Epoxidation of Olefins

Autor: Antonio Mezzetti, Patrick D. Setz, and Terrance Y. H. Wong, Christian Bauer, Robert M. Stoop, Michael Wörle

Publikováno v: Organometallics. 18:5691-5700

The six-coordinate complexes trans-[RuCl2(P−P*)2] (P−P* = (S,S)-1,2-bis(1-naphthylphenylphosphino)ethane (bnpe), 2a; (S,S)-2,3-bis(diphenylphosphino)butane (chiraphos), 2b) have been prepared and structurally characterized. The X-ray studies of 2

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::09ea49122204829af23a96d4737f413a
https://doi.org/10.1021/om990657x

Zobrazit plný text záznamu

Diphosphines Containing Stereogenic P Atoms: Synthesis of (S,S)-C,C‘-Tetramethylsilanebis- (1-naphthylphenylphosphine) and Applications in Enantioselective Catalysis

Autor: Robert M. Stoop, Felix Spindler, Antonio Mezzetti

Publikováno v: Organometallics. 17:668-675

The diphosphine (S,S)-Me2Si(CH2P(1-Np)(Ph))2 (1-Np = 1-naphthyl) (1), containing stereogenic P atoms, is prepared with high diastereo- and enantiomeric purity by a multistep asymmetric synthesis via its borane adduct (S,S)-Me2Si(CH2P(1-Np)(Ph)(BH3))2

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::9f5cc5fe543fa7d6927773cdd8dd1b98
https://doi.org/10.1021/om970539e

Zobrazit plný text záznamu

Asymmetric epoxidation of olefins

Autor: Antonio Mezzetti, Robert M. Stoop

Publikováno v: Green Chemistry. 1:39-41

Up to 40% ee was obtained in the asymmetric epoxidation of styrene and other unfunctionalised olefins catalysed by the ruthenium(II) complex [RuCl(PNNP)]PF6 (PNNP = N,N′-{(o-diphenylphosphino)benzylidene}-(1S,2S)-diiminocyclohexane)using hydrogen p

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::273fdaac57fbf9a03531db97031d7d66
https://doi.org/10.1039/a809640f

Zobrazit plný text záznamu

Chiral Xyliphos Complexes for the Catalytic Imine Hydrogenation Leading to the Metolachlor Herbicide: Isolation of Catalyst–Substrate Adducts

Autor: Felix Spindler, Diego Broggini, Robert M. Stoop, Romano Dorta, Antonio Togni, Heinz Rüegger

Publikováno v: Chemistry - A European Journal. 10:1312-1312

Iridium complexes relevant to the catalytic enantioselective hydrogenation of 2-methyl-6-ethylphenyl-1'-methyl-2'-methoxyethylimine (MEA-imine, 1) in the Syngenta Metolachlor (3) process were prepared and characterized. Reaction of the diphosphane (S

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::f64d91fe6a416dec2c0c164e714063b7
https://doi.org/10.1002/chem.200490019

Zobrazit plný text záznamu

Akademický článek

Tento výsledek nelze pro nepřihlášené uživatele zobrazit.
K zobrazení výsledku je třeba se přihlásit.

Vyhledávací nástroje:

Upřesnit hledání