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Synergistic Silylium‐Ion and Palladium Catalysis Enables Migratory Alkene Silylation With Allylsilanes by Formal C–H/C–Si Metathesis

open access: yesAngewandte Chemie International Edition, EarlyView.
Merging silylium‐ion and palladium catalysis provides a mechanistically distinct route to allylsilanes by formal C–H/Si–H metathesis. Using allylsilanes as silicon proelectrophiles, various allylarenes undergo migrative silylation, selectively yielding (E)‐allylsilanes.
Longhui Duan   +5 more
wiley   +1 more source
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Halogen bond-induced electrophilic aromatic halogenations

Organic & Biomolecular Chemistry, 2021
This review highlights the recent development of halogen bond-induced activations of N -halosuccinimides and N , N -dihalodimethylhydantoins in electrophilic aromatic halogenations.
Wanutcha Lorpaiboon, Pakorn Bovonsombat
openaire   +2 more sources

Halogen bonding in solution

Chemical Society Reviews, 2012
Halogen bonding is the electron density donation based weak interaction of halogens with Lewis bases. Its applicability for molecular recognition processes long remained unappreciated and has so far mostly been studied in silico and in solid state.
Erdelyi, M.
openaire   +2 more sources

On The Nature of the Halogen Bond

Journal of Chemical Theory and Computation, 2014
The wide-ranging applications of the halogen bond (X-bond), notably in self-assembling materials and medicinal chemistry, have placed this weak intermolecular interaction in a center of great deal of attention. There is a need to elucidate the physical nature of the halogen bond for better understanding of its similarity and differences vis-à-vis other
Changwei, Wang   +3 more
openaire   +2 more sources

On the directionality of halogen bonding

Physical Chemistry Chemical Physics, 2013
The origin of the high directionality of halogen bonding was investigated quantum chemically by a detailed comparison of typical adducts in two different orientations: linear (most stable) and perpendicular. Energy decomposition analyses revealed that the synergy between charge-transfer interactions and Pauli repulsion are the driving forces for the ...
Stefan M, Huber   +4 more
openaire   +2 more sources

An overview of halogen bonding

Journal of Molecular Modeling, 2006
Halogen bonding (XB) is a type of noncovalent interaction between a halogen atom X in one molecule and a negative site in another. X can be chlorine, bromine or iodine.
Peter, Politzer   +4 more
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Halogen Bonding Molecular Capsules

Angewandte Chemie International Edition, 2015
AbstractMolecular capsules based solely on the interaction of halogen bonding (XB) are presented along with their host–guest binding properties in solution. The first example of a well‐defined four‐point XB supramolecular system is realized by decorating resorcin[4]arene cavitands with polarized halogen atoms for dimerization with tetra(4‐pyridyl ...
Dumele O, Trapp N, Diederich F
openaire   +3 more sources

Clˉ as the halogen bond acceptor: studies on strong halogen bonds

Structural Chemistry, 2017
The Clˉ anion as the halogen bond acceptor, the diiodotetrafluoroethane I(CF2)2I and its derivatives I(MF2)nI (M = C, Si, Ge, Sn) as the halogen bond donor, and the strong halogen bonds could be formed. The halogen bonds between I(MF2)nI and Clˉ have been designed and investigated by Moller–Plesset perturbation/aug-cc-pVDZ calculations together with ...
Jiaojiao Wang   +3 more
openaire   +1 more source

Halogen Bonding in Supramolecular Chemistry

Angewandte Chemie International Edition, 2008
AbstractHalogen bonding is the noncovalent interaction where halogen atoms function as electrophilic species. The energetic and geometrical features of the interaction are described along with the atomic characteristics that confer molecules with the specific ability to interact through this interaction.
METRANGOLO, PIERANGELO   +4 more
openaire   +6 more sources

Biomolecular Halogen Bonds

2014
Halogens are atypical elements in biology, but are common as substituents in ligands, including thyroid hormones and inhibitors, which bind specifically to proteins and nucleic acids. The short-range, stabilizing interactions of halogens - now seen as relatively common in biology - conform generally to halogen bonds characterized in small molecule ...
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