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Die Chalkogenbindung (ChB) ist eine Wechselwirkung zwischen einem Chalkogenatom der Gruppe 16, das elektronenziehende Gruppen trägt, und einer Lewis‐Base. In ihrem Forschungsartikel (e202116071) zeigen Xiangyu Chen, Zhixiang Wang und Mitarbeiter, dass ChB von Alkinylsulfoniumsalzen die Erzeugung von Alkinylradikalen für die Synthese einer Vielzahl von Chalkogenacetylenen mit Diseleniden unter Bestrahlung...
Chalcogen bonding (ChB) has emerged as a promising tool in organic synthesis. However, compared with the well‐developed selenium‐ and tellurium‐based salt catalysts, the ChB catalysis of sulfonium salts is still unknown. Here, we report a new type of alkynyl‐sulfonium salt ChB catalysis for various ionic transformations, including transfer hydrogenation, bromination, bromolactonization, dimerization...
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