Ulrich Zenneck
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Explore the profile of Ulrich Zenneck including associated specialties, affiliations and a list of published articles.
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10
Citations
15
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Recent Articles
1.
Townrow O, Farber C, Zenneck U, Harder S
Angew Chem Int Ed Engl
. 2023 Dec;
63(5):e202318428.
PMID: 38078903
A hydrocarbon-soluble barium anthracene complex was prepared by means of metal vapour synthesis. Reaction of 9,10-bis(trimethylsilyl)anthracene (Anth'') with barium vapour gave deep purple Ba(Anth'') which after extraction with diethyl ether...
2.
Farber C, Stegner P, Zenneck U, Knupfer C, Bendt G, Schulz S, et al.
Nat Commun
. 2022 Jun;
13(1):3210.
PMID: 35680902
Hydrogenation of unsaturated bonds is a key step in both the fine and petrochemical industries. Homogeneous and heterogeneous catalysts are historically based on noble group 9 and 10 metals. Increasing...
3.
Stegner P, Farber C, Zenneck U, Knupfer C, Eyselein J, Wiesinger M, et al.
Angew Chem Int Ed Engl
. 2020 Nov;
60(8):4252-4258.
PMID: 33180975
Ba metal was activated by evaporation and cocondensation with heptane. This black powder is a highly active hydrogenation catalyst for the reduction of a variety of unactivated (non-conjugated) mono-, di-...
4.
Rohwer L, Hohn C, Autschbach J, Bauer W, Heinemann F, Huguet Torrell S, et al.
Chemistry
. 2014 Mar;
20(19):5708-20.
PMID: 24677381
On the basis of isolated diastereomeric triorganylstannyl-P5 -deltacyclenes 7' and 7'', almost pure enantiomers of their destannylation products 8' and 8'' are now available. These stereochemically inert cage chiral species...
5.
Stubenhofer M, Kuntz C, Bodensteiner M, Zenneck U, Sierka M, Scheer M
Chemistry
. 2010 May;
16(25):7488-95.
PMID: 20486237
Photolysis of [Cp*As{W(CO)(5)}(2)] (1a) in the presence of Mes*P=PMes* (Mes*=2,4,6-tri-tert-butylphenyl) leads to the novel 1,3-diphospha-2-arsaallyl radical [(CO)(5)W(mu,eta(2):eta(1)-P(2)AsMes*(2))W(CO)(4)] (2a). The frontier orbitals of the radical 2a are indicative of a stable...
6.
Benko Z, Burck S, Gudat D, Hofmann M, Lissner F, Nyulaszi L, et al.
Chemistry
. 2010 Jan;
16(9):2857-65.
PMID: 20099287
Computational studies on a series of polyphospholyl-substituted N-heterocyclic phosphines (CH)(2)(NR)(2) P-P(n)(CH)(5-n) (R=Me, n=1-5) disclosed that increasing formal replacement of CH units in the phosphole ring by phosphorus atoms is associated...
7.
Hofmann M, Hohn C, Heinemann F, Zenneck U
Chemistry
. 2009 May;
15(24):5998-6007.
PMID: 19405057
An effective cyclic addition reaction of diastereomeric (R*)diphenyltin-3,5-di(tert-butyl)-1,2,4-triphosphole derivatives 6 a-c (R* = (-)-cis-myrtanyl (a), (-)-trans-myrtanyl (b), m-(2-bornyl-2-ene)phenyl (c) with two equivalents of tert-butylphosphaalkyne 1 leads to 1:1 mixtures of...
8.
Steinke T, Cokoja M, Gemel C, Kempter A, Krapp A, Frenking G, et al.
Angew Chem Int Ed Engl
. 2005 Apr;
44(19):2943-6.
PMID: 15828045
No abstract available.
9.
Topf C, Clark T, Heinemann F, Hennemann M, Kummer S, Pritzkow H, et al.
Angew Chem Int Ed Engl
. 2002 Nov;
41(21):4047-52.
PMID: 12412077
No abstract available.
10.
Al-Ktaifani M, Bauer W, Bergstrasser U, Breit B, Francis M, Heinemann F, et al.
Chemistry
. 2002 Aug;
8(11):2622-33.
PMID: 12180342
Several independent synthetic routes are described leading to the formation of a novel unsaturated tetracyclic phosphorus carbon cage compound tBu4C4P6 (1), which undergoes a light-induced valence isomerization to produce the...