About: http://webisa.webdatacommons.org/107047111

Property	Value
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	For example, the hydroxyl group is converted to a tosylate leaving group by reaction with tosyl chloride (p-toluenesulfonyl chloride) in the presence of a suitable base including tertiary amines, such as 1,4-diazabicyclo[2.2.2]octane.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com