Lars Wesemann
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Explore the profile of Lars Wesemann including associated specialties, affiliations and a list of published articles.
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72
Citations
200
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Recent Articles
1.
Kern R, Schmiedel P, Schubert H, Wesemann L
Chem Commun (Camb)
. 2025 Mar;
PMID: 40040595
Reactions of boradigermaallyl, which can also be regarded as a chloroborylene stabilzed by two germylene donors, with thiophene, furan, pyridazine and 2,2'-bipyridine are presented. Insertion of the boron atom into...
2.
Manegold J, Ebisch A, Eichele K, Schubert H, Wesemann L
Chemistry
. 2024 Nov;
31(9):e202404201.
PMID: 39563097
Terphenylgermanium Ar*Ge [Ar*=CH(2,6-Trip), Trip=2,4,6-CHiPr] was found to act as a novel μ-Ge-bis(hexahapto-Trip) bridging ligand. Deprotonated terphenyl germanium trihydride [Li(thf)][Ar*GeH] (1) undergoes reductive elimination and transfer of hydrogen in reaction with...
3.
Eberhardt M, Baum M, Clewing S, Schubert H, Wesemann L
Angew Chem Int Ed Engl
. 2024 Nov;
64(8):e202420114.
PMID: 39560457
Tetrachlorides of zirconium and hafnium form adducts (2, 3) with an intramolecular germylene phosphine Lewis pair. Two electron reduction treating the adducts with [NacnacMg] gives the low-valent metal complexes (4,...
4.
Reik C, Jenner L, Schubert H, Eichele K, Wesemann L
Chem Sci
. 2024 Jul;
15(29):11358-11366.
PMID: 39055029
NHC substituted germaborenium cation 2 was synthesized directly in reaction of bromo-substituted germaborene 1b with NHC. The adamantyl isonitrile substituted germaborenium cation 4 was obtained stepwise: substitution of the chloride...
5.
Mast M, Schubert H, Mayer H, Wesemann L
Inorg Chem
. 2024 May;
63(23):10860-10870.
PMID: 38804041
(BCHT-NCN)H () [1,6-bis(methylene(bis-2,6-dipropylaniline)(benzo)cycloheptatriene)] was synthesized by nucleophilic substitution treating 1,6-bis(methylenebromide)(benzo)cycloheptatriene with 2 equiv of Li[2,6-PrCHNH], Li[Dipp-NH]. Triple deprotonation of (BCHT-NCN)H () using -BuLi yields the deprotonation product [(BCHT-NCN)Li] (), which...
6.
Kimmich R, Kern R, Strienz M, Koldemir A, Eichele K, Pottgen R, et al.
Chemistry
. 2024 Feb;
30(23):e202400209.
PMID: 38362851
By treating KSiPr with Sn[N(SiMe)] the distannene Sn(TIPS) (TIPS=SiPr) is formed in a metathesis reaction. The crystal structure analysis of Sn(TIPS) reveals a planar arrangement of the substituents in the...
7.
Auer M, Zwettler K, Eichele K, Schubert H, Sindlinger C, Wesemann L
Angew Chem Int Ed Engl
. 2023 Jul;
62(35):e202305951.
PMID: 37395167
Tetrylidynes [TbbSn≡Co(PMe ) ] (1 a) and [TbbPb≡Co(PMe ) ] (2) (Tbb=2,6-[CH(SiMe ) ] -4-(t-Bu)C H ) are accessed for the first time via a substitution reaction between [Na(OEt )][Co(PMe...
8.
Zweigart M, Eichele K, Schubert H, Sindlinger C, Wesemann L
J Am Chem Soc
. 2023 May;
145(23):12452-12458.
PMID: 37256269
We report on the synthesis of an authentic Sn═B-moiety realized in a stannaborenyl anion and stannaborenium cation. Starting with an oxidative addition of boron tribromide to a stannylene-phosphine Lewis pair...
9.
Zweigart M, Wenzel C, Eichele K, Schubert H, Wesemann L
Angew Chem Int Ed Engl
. 2023 May;
62(26):e202304200.
PMID: 37186011
A facile synthesis for unprecedented stibastannene (10) featuring a Sn=Sb-double bond together with the homologous arsa- (9) and phosphastannenes (8) is presented. Chloride abstraction from respective stannyl pnictinidenes [E=P (5),...
10.
Kern R, Schneider M, Eichele K, Schubert H, Bettinger H, Wesemann L
Angew Chem Int Ed Engl
. 2023 Feb;
62(18):e202301593.
PMID: 36807732
The 2π electron 1,3-dipole boradigermaallyl, valence-isoelectronic to an allyl cation, is synthesized from a bis(germylene). It reacts with benzene at room temperature by insertion of a boron atom into the...