利用 ~(18)O(p,n)~(18)F 反应合成 ~(18)F-FDG

  • 摘要: 以4-(4-甲基哌啶)吡啶阴离子交换树脂吸附回旋加速器生产的18F-F-,在不加载体水平上进行亲核取代反应。轰击结束后经50min的合成,2-18F-2-脱氧-D-葡萄糖(18F-FDG)的校正产额最高可达到56%。HPLC分析表明其放化纯度大于95%,且无菌、无热原,为临床PET的应用提供了理想的正电子示踪剂

     

    Abstract: THESYNTHESISOF18F┐FDGBYUSING18O(p,n)18FNUCLEARREACTIONWangMingfangSunQiyinZhaoJunLiJiaminWangChangqing(PETResearchCenter,WanjieHospital,Zibo255202)ABSTRACT18F-Fluorideproducedbyprotonbeambombardmentfromcyclotronisabsorbedon4-(4-methyl-1-piperidino)pyridineresin.18F-FDGispreparedbynucleophilicsubstitutionreac-tionin“no-carieradded”level.Themaximumcorrectedyieldof18F-FDGis56%inasyn-thesistimeof50minutesaftertheendofbombardment(EOB).Theradiochemicalpurityisabove95%basingonHPLCanalysis.Thismethodalowsforproductionofidealradiophar-maceuticalsforpositronemissiontomography.Keywords4-(4-methyl-piperidino)pyridineresinnucleophilicsubstitutionreaction18F-FDG

     

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