About: http://webisa.webdatacommons.org/287973197

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 in the 1st step and also in the 2nd step is carried out in an organic solvent, for example tetrahydrofuran or dimethylformamide, at a temperature of from about 20.degree. to 60.degree.
http://www.w3.org/ns/prov#wasQuotedFrom	patents.com