{ "items" : [
    { "id" : "http://webisa.webdatacommons.org/250374251"
      "properties" : {
        "http://www.w3.org/1999/02/22-rdf-syntax-ns#type" : [ "http://www.w3.org/ns/prov#Entity" ] ,
        "http://www.w3.org/ns/prov#value" : [ "to a leaving group, such as halides, tosylate, and Z is a proton, the cyclization may be achieved with a weak base in DMF (e.g. K.sub.2 CO.sub.3, Cs.sub.2 CO.sub.3) to give a ketone 101." ] ,
        "http://www.w3.org/ns/prov#wasQuotedFrom" : [ "patents.com" ] } },

    { "id" : "http://webisa.webdatacommons.org/prov/116734405"
      "properties" : {
        "http://www.w3.org/ns/prov#wasDerivedFrom" : [ "http://webisa.webdatacommons.org/250374251"] } } }
