Patrick Wonner
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Catalytic Activation of Imines by Chalcogen Bond Donors in a Povarov [4+2] Cycloaddition Reaction Open
Recently, chalcogen bonding has been investigated in more detail in organocatalysis and the scope of activated functionalities continues to increase. Herein, the activation of imines in a Povarov [4+2] cycloaddition reaction with bidentate…
Preorganization: A Powerful Tool in Intermolecular Halogen Bonding in Solution Open
Preorganization is a powerful tool in supramolecular chemistry which has been utilized successfully in intra‐ and intermolecular halogen bonding. In previous work, we had developed a bidentate bis(iodobenzimidazolium)‐based halogen bond do…
Carbonyl Activation by Selenium‐ and Tellurium‐Based Chalcogen Bonding in a Michael Addition Reaction Open
In the last years the use of chalcogen bonding—the noncovalent interaction involving electrophilic chalcogen centers—in noncovalent organocatalysis has received increased interest, particularly regarding the use of intermolecular Lewis aci…
Back Cover: Chalcogen Bonding Catalysis of a Nitro‐Michael Reaction (Angew. Chem. Int. Ed. 47/2019) Open
Chalcogen bonding is a noncovalent interaction between electrophilic chalcogen substituents and Lewis bases. In their Communication on page 16923 ff., S. M. Huber and co-workers show that dicationic tellurium compounds can act as strong ca…
Chalcogen Bonding Catalysis of a Nitro‐Michael Reaction Open
Chalcogen bonding is the non‐covalent interaction between Lewis acidic chalcogen substituents and Lewis bases. Herein, we present the first application of dicationic tellurium‐based chalcogen bond donors in the nitro‐Michael reaction betwe…
Activation of Quinolines by Cationic Chalcogen Bond Donors Open
The application of already established as well as novel selenium- and sulfur-based cationic chalcogen bond donors in the catalytic activation of quinoline derivatives is presented. In the presence of selected catalysts, rate accelerations …
A halogen-bonding-catalysed Nazarov cyclisation reaction Open
Various neutral, mono- and dicationic halogen bond donors were screened for their ability to act as catalysts in a Nazarov cyclisation reaction.
Catalytic Carbon–Chlorine Bond Activation by Selenium‐Based Chalcogen Bond Donors Open
Chalcogen bonding is a noncovalent interaction based on electrophilic chalcogen substituents, which shares many similarities with the more well‐known hydrogen and halogen bonding. Herein, the first application of selenium‐based chalcogen b…
Inside Back Cover: Carbon–Halogen Bond Activation by Selenium‐Based Chalcogen Bonding (Angew. Chem. Int. Ed. 39/2017) Open
Selenium compounds may form noncovalent interactions, so-called chalcogen bonds, with Lewis bases under certain conditions. In their Communication on page 12009 ff., S. M. Huber and co-workers show that such chalcogen bond donors activate …
Carbon–Halogen Bond Activation by Selenium‐Based Chalcogen Bonding Open
Chalcogen bonding is a little explored noncovalent interaction similar to halogen bonding. This manuscript describes the first application of selenium‐based chalcogen bond donors as Lewis acids in organic synthesis. To this end, the solvol…
CCDC 1534196: Experimental Crystal Structure Determination Open
An entry from the Cambridge Structural Database, the world’s repository for small molecule crystal structures. The entry contains experimental data from a crystal diffraction study. The deposited dataset for this entry is freely available …