Reactivity models of hydrogen activation by frustrated Lewis pairs: synergistic electron transfers or polarization by electric field?

TA Rokob, I Bako, A Stirling, A Hamza… - Journal of the American …, 2013 - ACS Publications
Two alternative qualitative reactivity models have recently been proposed to interpret the
facile heterolytic cleavage of H2 by frustrated Lewis pairs (FLPs). Both models assume that …

Five-membered all-C-and hetero-metallacycloallenoids of group 4 metallocenes

L Becker, U Rosenthal - Coordination Chemistry Reviews, 2017 - Elsevier
The formation of highly unsaturated small carbocycles is challenging and due to their high
ring strain such five-membered compounds are often not isolable. However, the …

Equilibria and mesomerism/valence tautomerism of group 4 metallocene complexes

U Rosenthal - Chemical Society Reviews, 2020 - pubs.rsc.org
In this account, examples of the influence of equilibrium and mesomerism/valence
tautomerism on reactions of selected group 4 metallocene complexes will be discussed …

Remarkable behavior of a bifunctional alkynylborane zirconocene complex toward donor ligands and acetylenes

S Kumar Podiyanachari, G Kehr… - Journal of the …, 2013 - ACS Publications
Treatment of a [(trimethylsilylethynyl) alkenyl] ZrCp2 complex with Piers' borane [HB (C6F5)
2] resulted in the clean formation of the Zr/B complex [η2-(C6F5) 2B-C C-SiMe3] ZrCp2 (3) …

Formation and structural characterization of a five-membered zirconacycloallenoid

G Bender, G Kehr, CG Daniliuc, B Wibbeling… - Dalton …, 2013 - pubs.rsc.org
Formation and structural characterization of a five-membered zirconacycloallenoid - Dalton
Transactions (RSC Publishing) DOI:10.1039/C3DT51497H Royal Society of Chemistry …

Five-membered zircona-and titanacycloallenes; their diverse reactivity depending upon the position of substituents

N Suzuki, R Kurita, A Kawamura, T Ono… - Journal of Organometallic …, 2018 - Elsevier
Five-membered metallacycloallene compounds that are 2, 5-disubstituted 1-
zirconacyclopenta-2, 3-dienes were prepared from (E)-1, 4-bis (trialkylsilyl) but-1-en-3-ynes …

Theory of Divalent Main Group H2 Activation: Electronics and Quasiclassical Trajectories

D Devarajan, CE Doubleday, DH Ess - Inorganic Chemistry, 2013 - ACS Publications
Density functional theory (DFT), absolutely localized molecular orbital (ALMO) analysis, and
quasiclassical trajectories (QCTs) were used to study the structure, barrier heights …

Catalytic formation of five-membered zirconacycloallenoids and their reaction with carbon dioxide

SK Podiyanachari, G Bender, CG Daniliuc… - …, 2014 - ACS Publications
Hydrozirconation of phenylacetylene followed by a reaction with ((trimethylsilyl) ethynyl)
lithium gave the respective (σ-alkenyl)(σ-alkynyl) zirconocene complex 6a. Its treatment with …

Nucleophilic carbon-carbon bond formation by 1-En-3-ynes via zirconocene-η2-1-en-3-yne complexes

N Suzuki, S Ito, M Kawate, T Takemoto - Journal of Organometallic …, 2023 - Elsevier
Nucleophilic reactions by the C1 atom of 1-en-3-ynes toward organic electrophiles such as
ketones, nitriles and isocyanates, via their organozirconium species, were investigated …

Crystal packing induced carbon–carbon double–triple bond isomerization in a zirconocene complex

JG Brandenburg, G Bender, J Ren, A Hansen… - …, 2014 - ACS Publications
We present a combined theoretical and experimental analysis of the carbon–carbon bond
character in two prototypical zirconocene complexes. The two cyclic seven-membered ring …