Catenated and spirocyclic polychalcogenides from potassium carbonate and elemental chalcogens.
Phil LiebingMarcel KühlingClaudia SwansonMartin FenebergLiane HilfertRüdiger GoldhahnTristram ChiversFrank T EdelmannPublished in: Chemical communications (Cambridge, England) (2019)
The reaction of potassium carbonate with elemental sulfur or selenium in acetone in the presence of [PPN]Cl (PPN = (Ph3P)2N) produces catena-[S12]2-, the longest structurally characterised polysulfide dianion, or spiro-[Se11]2- as ion-separated [PPN]+ salts.
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