PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The mesylate or tosylate is converted into the corresponding azide by reaction with an alkali metal azide, such as lithium or sodium azide, in a polar aprotic solvent such as exemplified before, e.g. acetonitrile or dimethyl formamide, at about room temperature to about the reflux temperature of the solvent.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com