Journal
JOURNAL OF LABELLED COMPOUNDS & RADIOPHARMACEUTICALS
Volume 45, Issue 6, Pages 485-528Publisher
WILEY
DOI: 10.1002/jlcr.575
Keywords
radiohalogen; bromine; fluorine; iodine; substitution; halogeno-demetallation
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This Review reports the more recent applications of radiohalogen labelling in organic compounds. Modern synthetic methods place more emphasis upon substitution at specific sites. Electrophilic substitution, especially at aromatic carbon atoms, involves displacement of halogen or of metals rather than the earlier popular halogen-deprotiation processes. Nucleophilic displacement, at either aliphatic or aromatic sites, has also become widespread since it may be made more selective by the inclusion of appropriate activating groups or suitable displaced groups. Microwave and thermally induced methods are both reported with a critical assessment of the value of each process. Copyright (C) 2002 John Wiley Sons, Ltd.
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