Výsledky vyhledávání - "Stefan Köcher"

Alkyloxy- and aryloxy-titanocenes: Synthesis, solid-state structure and cyclic voltammetric studies

Autor: Tobias Rüffer, Gerd Rheinwald, Stefan Köcher, Bernhard Walfort, Heinrich Lang

Publikováno v: Journal of Organometallic Chemistry. 693:3213-3222

Alkyloxy- and aryloxy-functionalized titanocenes of type [Ti](Cl)(OR) (R = Me (2), CH2PPh2 (3), CH2Fc (4), C6H5 (5), C6H4-4-C N (6), C6H4-4-NO2 (7), C6H4-4-Me (8), C6H4-4-OMe (9), C6H4-4-C(O)Me (10), C6H4-4-CO2Me (11), C6H4-3-NO2 (12); [Ti] = (η5-C5

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::7ed277536e596999adb95af6061a7de7
https://doi.org/10.1016/j.jorganchem.2008.07.016

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Oxime-substituted NCN-pincer palladium and platinum halide polymers through non-covalent hydrogen bonding (NCN=[C6H2(CH2NMe2)2-2,6]−)

Autor: Tobias Rüffer, Anthony L. Spek, Gerard van Koten, Martin Lutz, Stefan Köcher, Heinrich Lang, Bernhard Walfort, Gerard P. M. van Klink

Publikováno v: Journal of Organometallic Chemistry. 693:2244-2250

The oxime-substituted NCN-pincer molecules HONCH-1-C6H3(CH2NMe2)2-3,5 (2a) and HONCH-4-C6H2(CH2NMe2)2-2,6-Br-1 (2b) were accessible by treatment of the benzaldehydes H(O)C-4-C6H3(CH2NMe2)2-3,5 (1a) and H(O)C-4-C6H2(CH2NMe2)2-2,6-Br-1 (1b) with an exc

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::03119e8c147f00341c816c19b590e73b
https://doi.org/10.1016/j.jorganchem.2008.03.020

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Synthesis and reaction chemistry of 4-nitrile-substituted NCN-pincer palladium(II) and platinum(II) complexes (NCN=[NC-4-C6H2(CH2NMe2)2-2,6]−)

Autor: Heinrich Lang, Gerard P. M. van Klink, Anthony L. Spek, Allison M. Mills, Stefan Köcher, Bernhard Walfort, Gerard van Koten

Publikováno v: Journal of Organometallic Chemistry. 693:1991-1996

Nitrile-functionalized NCN-pincer complexes of type [MBr(N C-4-C6H2(CH2NMe2)2-2,6)] (6a, M = Pd; 6b, M = Pt) (NCN = [C6H2(CH2NMe2)2-2,6]−) are accessible by the reaction of Br-1-N C-4-C6H2(CH2NMe2)2-2,6 (2b) with [Pd2(dba)3 · CHCl3] (5a) (dba = di

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::1d6dd19a1918cef1a241a562d0419117
https://doi.org/10.1016/j.jorganchem.2008.02.027

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Heterobimetallic Fe–Pd and Fe–Pt NCN pincer complexes (NCN=[C6H2(CH2NMe2)2-2,6]−)

Autor: Gerard P. M. van Klink, Stefan Köcher, Gerard van Koten, Anthony L. Spek, Heinrich Lang, Martin Lutz, Rajendra Prasad

Publikováno v: Inorganica Chimica Acta. 359:4454-4462

The meta-diaminoaryl ferrocenes Fc–NCN–H (3) and Fc–C C–NCN–H (5) (Fc = (η5-C5H5)(η5-C5H4)Fe, NCN–H = C6H3(CH2NMe2)2-3,5) can be used as precursors in the preparation of heterobimetallic transition metal complexes of structural type Fc�

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::962ac06f3e699fd2a53bd5278da8c4c7
https://doi.org/10.1016/j.ica.2006.05.045

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Trimetallic FePd2 and FePt2 4-ferrocenyl-NCN pincer complexes

Autor: Gerard P. M. van Klink, Stefan Köcher, Bernhard Walfort, Gerard van Koten, Heinrich Lang

Publikováno v: Journal of Organometallic Chemistry, 691, 3955. Elsevier

Ferrocene-bridged NCN pincer complexes of structural type Fe(η5-C5H4-4-NCN-1-MX)2 (X = I: 6, M = Pd; 7, M = Pt; X = Cl: 8, M = Pt; NCN = [4-C6H2(CH2NMe2)2-2,6]−) are accessible by the subsequent reaction of Fe(η5-C5H4-4-NCNH)2 (4) with nBuLi and

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::947ebc5921b03b55d171279fe4ff0a27
https://doi.org/10.1016/j.jorganchem.2006.05.052

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Ferrocene-bridged Pd–NCN pincer complexes

Autor: Gerard P. M. van Klink, Heinrich Lang, Stefan Köcher, Gerard van Koten

Publikováno v: Journal of Organometallic Chemistry. 684:230-234

The meta -diaminoaryl ferrocene Fe[η 5 -C 5 H 4 (NCNH)] 2 [NCNH=1-C 6 H 3 (CH 2 NMe 2 ) 2 -3,5] ( 3 ) can be synthesised by the reaction of Fe[η 5 -C 5 H 4 (ZnCl)] 2 ( 1 ) with I–C 6 H 3 (CH 2 NMe 2 ) 2 -3,5 ( 2 ) in a 1:2 molar ratio in the pres

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::7cd3cf765f71e5607e5ac51519fa3c31
https://doi.org/10.1016/s0022-328x(03)00753-8

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C2-Bridged sandwich and half-sandwich entities with Ti(IV) and Cr(0) centers

Autor: Stefan Köcher, Heinrich Lang

Publikováno v: Journal of Organometallic Chemistry. 641:62-66

The intense purple colored bi- and trimetallic complexes {Ti}(CH2SiMe3)[CC(η6-C6H5)Cr(CO)3] (3) ({Ti}=(η5-C5H5)2Ti) and [Ti][CC(η6-C6H5)Cr(CO)3]2 (5) {[Ti]=(η5-C5H4SiMe3)2Ti}, in which next to a Ti(IV) center a Cr(0) atom is present, are ac

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::cdf5790912839d05c5c5cb3bcaf320b4
https://doi.org/10.1016/s0022-328x(01)01289-x

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4-Ethinyl-benzonitrile-ferrocenes bridged by a Pd(PPh3)2 unit; the solid-state structure of (η5-C5H5)Fe(η5-C5H4CCC6H4CN-1,4)

Autor: Heinrich Lang, Stefan Köcher

Publikováno v: Journal of Organometallic Chemistry. :198-203

The trinuclear Fc–Pd–Fc complex [(FcCCC6H4CN-1,4)2Pd(PPh3)2](OTf)2 (5) [Fc=(η5-C5H5)Fe(η5-C5H4)] is accessible by the reaction of FcCCC6H4CN-1,4 (3) with (Ph3P)2Pd(OTf)2 (4) in a 2:1 molar ratio. In 5 the corresponding late transiti

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::f73c23290e4a6340ac8afa851f267182
https://doi.org/10.1016/s0022-328x(01)00904-4

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Synthesis and Coordination Chemistry of Gold(I) Acetylides. The Solid-State Structure of {[η2-(Ph3P)AuC⋮CFc]Cu(μ-Cl)}2

Autor: Gerard van Koten, Stefan Köcher, Stephan Back, Heinrich Lang, and Gerd Rheinwald

Publikováno v: Organometallics. 20:1968-1972

The gold(I) acetylide (Ph3P)AuC⋮CC6H3(CH2NMe2)2-3,5 (3) is accessible by the reaction of (Ph3P)AuCl (1) with HC⋮CC6H3(CH2NMe2)2-3,5 (2) in a 1:1 molar ratio. Base-catalyzed desilylation of (Ph3P)AuC⋮CSiMe3 (4) produces the homobimetallic gold(I

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::b9a89e61d626a96b172ca200311173d4
https://doi.org/10.1021/om010183d

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