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时间:2020-03-21
《新型苯并咪唑衍生物的设计、合成和抗结核活性研究.pdf》由会员上传分享,免费在线阅读,更多相关内容在工程资料-天天文库。
1、·644·药学学报ActaPharmaceuticaSinica2014,49(5):644—651Designandsynthesisofnovelbenzimidazolederivativesasanti-tuberculosisagentsZHANGHui—ying,WANGBin,SHENGLi,LIDan,ZHANGDong—feng,LINZi—yun,LUyu2LIYan,HUANGHai-hong,(.BeijingKeyLaboratoryofActiveSubstancesD~coveryandDruggabilityE
2、valuation,InstituteofMateriaMedica,PekingUnionMedicalCollegeandChineseAcademyofMedicalSciences,Beijing100050,China;2.Beo'ingTuberculosisandThoracicTumorResearchInstitute,Beo'ingChestHospitalCapitalMedicalUniversity,Beijing101149,China)Abstract:Inrecentstudiessomeureaderivat
3、iveshavebeenidentifiedaspotentanti.tuberculosisagentsbytargetingmycobacterialmembraneproteinlarge3(MmpL3).However,thiscompoundseriesasexemplifiedbyAU1235exhibitedpoorinvitropharmacokineticprofile.WithAU1235asthelcad.wehaveidentinedanovelbenzimidazoleseriesaspotentialanti—tu
4、berculosisagentsbyusingscafoldhoppingapproach.Amongthesesynthesizedcompounds,2一aminobenzimidazolederivative8bshowedthepotentanti.tuberculosisactivitywiththeMICvalueof0.03‘mL-.111iscompoundalsoshowedimprovedmetabolicstabilitycomparedtoAUl235.Ourinvestigationindicatedthatbenz
5、imidazolederivativesarethepromisingleadforfurtheroptimizationasanti—tuberculosisagents.Keywords:anti-tuberculosisactivity;AU1235;MmpL3;benzimidazolederivativesCLCnumber:R916Documentcode:AArticleID:0513.4870(2014、05.0644.08新型苯并咪唑衍生物的设计、合成和抗结核活性研究张慧莹,王彬2,盛莉,李聃,张东峰,林紫云1,陆宇2,李燕
6、,黄海洪(1.中国医学科学院、北京协和医学院药物研究所,活性物质发现与适药化北京市重点实验室,北京100050;2.首都医科大学附属北京胸科医院,北京市结核病胸部肿瘤研究所,北京101149)摘要:脲基衍生物是最新报道的一类具有抗结核活性的化合物,其主要作用机制是通过抑制质膜转运子MmpL3,从而抑制结核杆菌细胞壁的合成。AU1235作为此系列的代表化合物,存在药代性质较差的问题。本文以Au1235为先导化合物,通过骨架跃迁策略设计并合成了一系列新型苯并咪唑衍生物,并进行体外抗结核活性测试。结果表明,2一氨基苯并咪唑类化合物8b在保留良好抗结
7、核活性(MIC0.03·mL)的同时,其代谢稳定性得到了改善,为进一步的结构优化提供了重要参考。关键词:抗结核活性;AU1235;MmpL3;苯并咪唑衍生物Tuberculosis(TB)continuestobeoneofthe1eadingcausesofmorbidityandmortalityworldwideininfectiousdiseases.AccordingtoGlobalTuberculosisReceived2014—03-13;Accepted2014—04—16.ReportpublishedbytheWoridH
8、ealthOrganizationCorrespondingauthorTel/Fax:86-10—63165254,(WHO1in20l3.itwasestima
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