<http://webisa.webdatacommons.org/143416583>	<http://www.w3.org/ns/prov#value>	"2) with acylating agents of the formula (Va)in whichR.sup.2-2 represents one of the radicals--CX--YR.sup.3, --CXNR.sup.4 R.sup.5, ##STR9## ,--SO.sub.2 NR.sup.4 R.sup.5 or --SO.sub.2 R.sup.7,Z represents a customary leaving group, such as halogen, --O--CO--R.sup.2-2, --O--CO--R.sup.2-1, --OR.sup.2-1, --SR.sup.2-1, carboxymethoxy or carboxymethylthio andR.sup.3, R.sup.4, R.sup.5, R.sup.6, R.sup.7, X" .
<http://webisa.webdatacommons.org/prov/36064257>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/143416583> .
<http://webisa.webdatacommons.org/143416583>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/143416583>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<patentgenius.com> .