Activation of the Carbon–Halogen Bond

2015 ◽  
pp. 917-940 ◽  
Author(s):  
Armando Gennaro ◽  
Abdirisak Isse ◽  
Patrizia Mussini
Keyword(s):  
Halogen Bond

Mukaiyama Aldol Reaction Catalyzed by (Benz)imidazolium-Based Halogen Bond Donors

2020 ◽  
Author(s):  
Revannath L. Sutar ◽  
Nikita Erochok ◽  
Stefan Huber
Keyword(s):  
Halogen Bond ◽  
Aldol Reaction ◽  
Mukaiyama Aldol Reaction ◽  
Mukaiyama Aldol ◽  
Background Reaction ◽  
Strong Performance ◽  
The Stability ◽  
Elemental Iodine

A series of cationic monodentate and bidentate iodo(benz)­imidazolium-based halogen bond (XB) donors were employed as catalysts in a Mukaiyama aldol reaction. While 5 mol% of a monodentate variant showed noticeable activity, a <i>syn</i>-preorganized bidentate XB donor provided a strong performance even with 0.5 mol% loading. In contrast to the very active BAr<sup>F</sup><sub>4</sub> salts, PF<sub>6</sub> or OTf salts were either inactive or showed background reaction. Repetition experiments clearly ruled out a potential hidden catalysis by elemental iodine and demonstrated the stability of our catalyst over three consecutive cycles.

Recent Strategies for Carbon‐Halogen Bond Formation Using Nickel

2021 ◽  
Author(s):  
Mark Lautens ◽  
Austin D. Marchese ◽  
Timur Adrianov
Keyword(s):  
Halogen Bond ◽  
Bond Formation

Halogen bond-induced electrophilic aromatic halogenations

2021 ◽  
Author(s):  
Wanutcha Lorpaiboon ◽  
Pakorn Bovonsombat
Keyword(s):  
Halogen Bond

This review highlights the recent development of halogen bond-induced activations of N-halosuccinimides and N,N-dihalodimethylhydantoins in electrophilic aromatic halogenations.

scholarly journals The influence of secondary interactions on the [N‐I‐N]+ halogen bond

2021 ◽  
Author(s):  
Sofia Lindblad ◽  
Flóra Boróka Németh ◽  
Tamás Földes ◽  
Daniel von der Heiden ◽  
Herh G. Vang ◽  
...  
Keyword(s):  
Halogen Bond ◽  
Secondary Interactions
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