PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Preferably, the organic base used to generate the anion of (13) is lithium diisopropylamide or MN Si(CH3)3 !2 wherein M is a metal cation such as Li, Na, or K. The reaction takes place at a temperature of about -78??? C. to about 25??? C.
http://www.w3.org/ns/prov#wasQuotedFrom
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