Zobrazeno 1 - 10 of 23 pro vyhledávání: '"Dirk Röttger"'
1
Reactions of a Hydroxy Phosphonite Ligand in the Coordination Sphere of Rhodium(I)
Autor: Rhett Kempe, Klaus-Diether Wiese, Wolfgang Baumann, Detlef Selent, Anke Spannenberg, Armin Börner, Dirk Röttger
Publikováno v: Organometallics. 22:4265-4271
The complexation behavior of 6-(3,3‘-di-tert-butyl-5,5‘-dimethoxy-2-hydroxy-2‘-oxybiphenyl)-6H-[c,e]-1,2-oxaphosphorine, which generates an active and n-regioselective rhodium(I) catalyst for the i...
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::7cfd168cb7f186004122ec14861529dc
https://doi.org/10.1021/om0204686
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2
Efficient telomerization of 1,3-butadiene with alcohols in the presence of in situ generated palladium(0)carbene complexes
Autor: Matthias Beller, Ralf Jackstell, Michael Malaun, Anja C. Frisch, Benno Bildstein, Dirk Röttger
Publikováno v: Journal of Molecular Catalysis A: Chemical. 185:105-112
The palladium-catalyzed telomerization of 1,3-butadiene with alcohols has been studied in presence of palladium and imidazolium salts, which form in situ carbene ligands. Among the different imidazolium salts tested 1,3-dimesitylimidazolium chloride
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::32a23d7a67bec10afeb538981e3998b8
https://doi.org/10.1016/s1381-1169(02)00068-7
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4
Synthesis of Pyrrolyl-, Indolyl-, and Carbazolylphosphanes and Their Catalytic Application as Ligands in the Hydroformylation of 2-Pentene
Autor: Ralf Jackstell, Klaus-Diether Wiese, Matthias Beller, Dirk Röttger, Holger Klein
Publikováno v: European Journal of Organic Chemistry. 2001:3871-3877
The synthesis of π-acceptor ligands of the type PArxR3−x (x = 0−2; R = pyrrolyl, indolyl, carbazolyl; Ar = aryl) (1−8, 10, 12, 13) and P(pyrrolyl)2(carbazolyl) (11) is described. These ligands can be prepared in good to excellent yields by tre
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::5b3eedeabac5c3dd3e2534b29f2d2ef8
https://doi.org/10.1002/1099-0690(200110)2001:20<3871::aid-ejoc3871>3.0.co
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5
Formation of Hypercoordinated Carbon inside a (μ-Hydrocarbyl)bis(group 4 metallocene) Framework by a Simple Protonation Route
Autor: Gerhard Erker, Roland Fröhlich, Dirk Röttger, Jörg Schottek
Publikováno v: Journal of the American Chemical Society. 120:5264-5273
(Alkenyl)zirconocene chlorides Cp2Zr(Cl)(CHCHR) (4, R = H, phenyl, n-butyl, or cyclohexyl) react with “Cp2Zr” generated from various precursors to yield the neutral dinuclear alkenyl-bridged bis(me...
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::41436d8bfcb7ff9ad807d1440b3405d1
https://doi.org/10.1021/ja980223d
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6
Compounds Containing Planar-Tetracoordinate Carbon
Autor: Gerhard Erker, Dirk Röttger
Publikováno v: Angewandte Chemie International Edition in English. 36:812-827
It is a great challenge to synthesize compounds containing planar-tetracoordinate carbon that are stable enough to be isolated, investigated, and handled under ambient conditions. There have therefore been many attempts to construct hydrocarbon frame
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::b2bf18f9e13dca0cf32027118091dc98
https://doi.org/10.1002/anie.199708121
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8
Photochemistry of azobenzenophanes with three-membered bridges
Autor: Hermann Rau, Dirk Röttger
Publikováno v: Journal of Photochemistry and Photobiology A: Chemistry. 101:205-214
Azobenzenophanes may be suitable precursor molecules for tetrazetidines with a four-membered nitrogen ring. The synthesis and photochemistry of azobenzenophanes with at least one three-carbon bridge are reported. The photochemistry is dominated by EZ
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::995dab3e7f4aef8d93827420eacfe1e0
https://doi.org/10.1016/s1010-6030(96)04355-9
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9
Formation of stable organometallic planar-tetracoordinate carbon compounds containing a cationic (μ-R1CCR2) [μ-chloro(ZrCp2)2] framework
Autor: Gerhard Erker, Roland Fröhlich, Dirk Röttger
Publikováno v: Journal of Organometallic Chemistry. 518:221-225
The methylzirconocene cation [Cp2ZrCH3(THF)+BPh4−] reacts with Cp2Zr(Cl)(CCR) reagents (5a–c, R  −CH2Ph,−CH2CH2CH3,−CH3) to yield the dinuclear metallocene actions [(Cp2Zr)2(μ-Cl)(μ-η1: η2-RCCCH3]+ (6a–c) (with BPh4− anion)
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::3c07a81def5a8a8c2ec2658e0125f1ba
https://doi.org/10.1016/0022-328x(96)06208-0
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