Abstract:
SYNTHESISANDLABELLINGOFDOPAMINED2RECEPTORIMAGINGAGENT125I┐IBZMHuMingyangLiangGaolinPanSangren(JiangsuInstituteofNuclearMedicine,StateKeyLaboratoryofNuclearMedicine,Wuxi214063)ABSTRACTThispaperreportssynthesesoflabelingprecursorS-(-)-2-hydroxy-6-methoxy-N-[(1-ethyl-2-pyrolidinyl)methyl]benzamide(S-BZM).Thechemicalstructureisconfirmedbyspectraldata.UsingH2O2asoxidizingagent,S-BZMislabeledby125I-NaIatroomtempera-ture.S-(-)-3-125I-iodo-2-hydroxy-6-methoxy-N-[(1-ethyl-2-pyrolidinyl)methyl]benzamide(S-125I-IBZM)issuccessfulyprepared.Labelingprocessissimple,thelabelingyieldishigherthan80%,theradiochemicalpurityishigherthan90%.KeywordsDopamineD2receptorSynthesisIBZM125I