| http://www.w3.org/ns/prov#value | - 20120108822Process For The Preparation Of Chalcogene Compounds - The present invention is a novel process for the preparation of chalcogenone compounds by conversion of ionic liquids and salts comprising nitrogen-containing heterocyclic cations and basic anions to the corresponding nitrogen-containing heterocyclic chalcogenones by reaction with elemental chalcogens.2012-05-03
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