About: http://webisa.webdatacommons.org/15713936

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	The reaction is carried out in the presence of a base, such as sodium carbonate, potassium carbonate,sodium bicarbonate, triethylamine diisopropylethylamine, or pyridine.
http://www.w3.org/ns/prov#wasQuotedFrom	patentgenius.com