This HTML5 document contains 5 embedded RDF statements represented using HTML+Microdata notation.

The embedded RDF content will be recognized by any processor of HTML5 Microdata.

PrefixNamespace IRI
isaphttp://webisa.webdatacommons.org/prov/
isahttp://webisa.webdatacommons.org/
rdfhttp://www.w3.org/1999/02/22-rdf-syntax-ns#
provhttp://www.w3.org/ns/prov#
xsdhhttp://www.w3.org/2001/XMLSchema#
n5freepatentsonline.
Subject Item
isa:266545671
rdf:type
prov:Entity
prov:value
In one embodiment of the present invention, the method comprises of a reaction of a PEG with N,N???-disuccinimidyl oxalate (I) in the presence of a base catalyst to form compound III, as illustrated in SCHEME I. The base catalyst that is suitable for use in this and all following reactions with the oxalate or carbonate active esters includes organic bases such as pyridine and N, N???-4-dimethylami
prov:wasQuotedFrom
n5:com
Subject Item
isap:131703484
prov:wasDerivedFrom
isa:266545671
Subject Item
isap:361478192
prov:wasDerivedFrom
isa:266545671