About: http://webisa.webdatacommons.org/388670685

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	Such acylating agents may be prepared by reacting an acid of formula (V) or saltthereof with a halogenating agent e.g. phosphorus pentachloride, thionyl chloride or oxalyl chloride.
http://www.w3.org/ns/prov#wasQuotedFrom	patentgenius.com