Zobrazeno 1 - 10
of 206
pro vyhledávání: '"Gotthelf Wolmershäuser"'
Publikováno v:
European Journal of Inorganic Chemistry. 2017:505-510
Instead of reacting with the σ-mesityliron(II) complex [Cp′′′Fe(σ-C6H2Me3-2,4,6)] (1; Cp′′′ = 1,2,4-tri-tert-butylcyclopentadienyl) to form a cyclohexadienyl(cyclopentadienyl)iron(II) sandwich complex with palladium coordination to the
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::470688d613bd795696cd6446ba524e6d
https://doi.org/10.1002/ejic.201601026
https://doi.org/10.1002/ejic.201601026
Autor:
Yu Sun, Marion Schär, Gotthelf Wolmershäuser, Christian Färber, Wjatscheslaw Gidt, Ina Schädlich, Dirk Saurenz, Julia Weismann, Sjoerd Harder, Heiko Bauer, Helmut Sitzmann
Publikováno v:
Journal of Organometallic Chemistry. 809:63-73
From sodium 2,3-diisopropyl-1,4-dimethyl-cyclopentadienide and MBr2(dme) (M = Fe, Co, Ni) the corresponding ferrocene (1), cobaltocene (2) and nickelocene (3) could be obtained as pure, crystalline solids. From an analogous reaction of sodium 2,3,5-t
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1545df562f572c0e6d3055304dca457d
https://doi.org/10.1016/j.jorganchem.2016.02.038
https://doi.org/10.1016/j.jorganchem.2016.02.038
Publikováno v:
European Journal of Inorganic Chemistry. 2014:3072-3084
The σ-aryliron complexes [5CpFe(C6H3iPr2-2,6)] (2, 5Cp = η5-C5iPr5) and [4CpFe(C6H3iPr2-2,6)] (6, 4Cp = η5-C5HiPr4) are available from the halides [5CpFe(μ-Br)]2 (1) and [4CpFe(μ-Br)]2 (4) and have been used for σ/π rearrangement reactions wit
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::4a88a7b628d45684d0fe730253c5857b
https://doi.org/10.1002/ejic.201402143
https://doi.org/10.1002/ejic.201402143
Autor:
Helmut Sitzmann, Dirk Saurenz, Frank H. Köhler, Marion Schär, Oliver M. Heigl, Gotthelf Wolmershäuser, Franc Meyer, F. E. Zimmer, Serhiy Demeshko, Ina Schädlich
Publikováno v:
Organometallics. 32:6298-6305
The paramagnetic behavior of 18-electron cyclopentadienylnickel(II) complexes of the [CpNi(μ-Br)]2 type with two unpaired electrons per metal ion has been investigated by 1H and 13C NMR spectroscopy of [Cp‴Ni(μ-Br)]2 (1; Cp‴ = 1,3,4-tBu3C5H2),
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::eda83d3f4ff7593659bb26d5cc3d163e
https://doi.org/10.1021/om400606t
https://doi.org/10.1021/om400606t
Autor:
Daniel Weismann, Yu Sun, Dirk Saurenz, Roland Boese, Gotthelf Wolmershäuser, Dieter Bläser, Helmut Sitzmann
Publikováno v:
Organometallics. 30:6351-6364
Phase transfer catalysis has been adapted to the synthesis of triisopropylcyclopentadiene isomers 1 in high yield and purity. Alkylation of sodium triisopropylcyclopentadienides with isopropyl bromide in tetrahydrofuran has been shown to be the curre
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f2e802b38c7554a7eaa372e38e26d759
https://doi.org/10.1021/om200372j
https://doi.org/10.1021/om200372j
Autor:
Vimal K. Jain, Ray J. Butcher, Harkesh B. Singh, Sagar Sharma, Sandip Dey, Gotthelf Wolmershäuser, Upali Patel
Publikováno v:
Organometallics. 29:4265-4275
22-Membered mercuraazametallamacrocycles 6, 7, and 12 have been synthesized by dipodal condensation (2 + 2) of bis(o-formylphenyl)mercury (11) and 1,2-disubstituted amines. Reduction of macrocycle 6 with sodium borohydride afforded novel 11-membered
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::45f7f407b6c7a5238386e5e2af5771f3
https://doi.org/10.1021/om100297v
https://doi.org/10.1021/om100297v
Autor:
Christoph Riehn, Daniel Weismann, Helmut Sitzmann, Anita Lagutschenkov, Gereon Niedner-Schatteburg, Gotthelf Wolmershäuser, Stefan Ambrus, Mark W. Wallasch
Publikováno v:
Organometallics. 29:806-813
A reaction of the bulky alkylcyclopentadienyliron(II) high-spin complex [Cp′′′Fe(μ-Br)]2 (1a) (Cp′′′ = C5H2(CMe3)3-1,2,4) with phenylmagnesium bromide produced the deep blue dinuclear complex [{Cp′′′Fe}2(μ,η5:η5-H5C6═C6H5)] (2
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::76dfc3131c09cd9adc4902ac2e75a9ac
https://doi.org/10.1021/om900870j
https://doi.org/10.1021/om900870j
Autor:
Alsu Kafiyatullina, Guy Y. Vollmer, Gotthelf Wolmershäuser, Mark W. Wallasch, Markus Mang, Wilfried Meyer, Peter G. Jones, Helmut Sitzmann
Publikováno v:
Zeitschrift für Naturforschung B. 64:18-24
The electron distribution within a mesityl ligand bridging a cyclopentadienyliron fragment attached to the mesityl π system and a second metal fragment connected to the ipso carbon of the mesityl ring has been probed using a copper(I) halide as a co
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::046c1512b8899f112d8503d029592c52
https://doi.org/10.1515/znb-2009-0104
https://doi.org/10.1515/znb-2009-0104
Publikováno v:
Zeitschrift für Naturforschung B. 64:25-40
The development of optically active cyclopentadienyl complexes as enantioselective catalysts calls for simple synthetic procedures for cyclopentadienes with optically active alkyl substituents. While exo-bornyl chloride and exo-fenchyl bromide do not
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::3d2bcb6b6c2f151d2a78642456ca5ce3
https://doi.org/10.1515/znb-2009-0105
https://doi.org/10.1515/znb-2009-0105
Publikováno v:
Zeitschrift für Naturforschung B. 64:11-17
Dimeric tri(tert-butyl)cyclopentadienyliron(II) bromide [CpmFe(μ-Br)]2 (1) reacts with phenylmagnesium bromide to give the dinuclear di(cyclohexadienylidene) complex [(CpmFe)2(μ,η5:η5-H5C6=C6H5)] (2), and with mesitylmagnesium bromide either to t
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::db291988221df2ce1f2fa507c1f44a7c
https://doi.org/10.1515/znb-2009-0103
https://doi.org/10.1515/znb-2009-0103