Streamlining Thionyl Tetrafluoride (SOF) and Pentafluoro-Oxosulfate [OSF] Anions Syntheses.

Chemistry

Fachbereich Biologie, Chemie, Pharmazie Institut für Chemie und Biochemie -, Anorganische Chemie Freie Universität Berlin, Fabeckstr. 34/36, 14195, Berlin, Germany.

Published: December 2024

A one pot room temperature synthesis of thionyl tetrafluoride (SOF) from elemental fluorine (F) and thionyl fluoride (SOF) is reported. The selective decagram scale process (100 mmol) allows a quantitative preparation of SOF with high purity. The solid-state structure has also been elucidated and compared with the reported gas phase one. The use of this reagent for the formation of the emerging pentafluorooxosulfate [cat][OSF] anions led to the preparation of multiple ion-pairs (cat=Ag, NEtMe, PPN, PPh) in different organic solvents. The SuFEx reservoir ability of this anion was studied and by tuning the solvent system, the reactivity of pure thionyl tetrafluoride was observed using Ag[OSF] in THF and acetone.

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http://dx.doi.org/10.1002/chem.202403365DOI Listing

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