About: http://webisa.webdatacommons.org/301946778

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	Thus acetaldehyde (aldehydes) may be reacted with a secondary amine, preferably cyclic amines such as pyrrolidine or morpholine, by heating at reflux in a solvent such as toluene and with a catalytic amount of p-toluene sulfonic acid.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com