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1.
吴军  HUDSON  Harry R. 《中国化学》2002,20(12):1598-1601
IntroductionOrganophosphoruscompoundsarewidelyusedasin secticides ,herbicidesandfungicides .Inviewofthepos sibleinfluenceoffluorinesubstitutiononthebiologicalactivityoforganophosphoruscompoundswehaveturnedourattentiontothestudyofthesynthesisandbiologica…  相似文献   

2.
Asymmetricsynthesis,inparticularthecatalyzedasymmeticsynthesis,hasbeenafascinatingareaofcurrentresearchinterestduetospecialphysicologicalactivitiesandwideapplicationsasmedicinesandpesticides[1].Asymmetriccatalyst,whichpresentsachiraltemplate,playsacrucia…  相似文献   

3.
IntroductionOrganotin(IV)complexeswerewidelyusedasbio cides,fungicidesandinindustryashomogeneouscata lysts.1 6 Morerecently ,pharmaceuticalpropertiesofalkyltin(IV)complexeswithN ,N dialkyldithiocarba mateligandshavebeeninvestigatedfortheirantitumouractivity.7,8…  相似文献   

4.
苗志伟  付华  冯玉萍  韩波  涂光忠  赵玉芬 《中国化学》2002,20(11):1434-1438
IntroductionNucleosidesandtheiranaloguesaspotentialanti cancerandantivirusagentshavebeenstudiedextensively .Mostofthecurrentlylicensedantiviraldrugsandmanyofthedrugsusedinanticancerchemotherapyarenucleosideanalogues .1Forthemajorityoftheseanaloguesshown…  相似文献   

5.
ThesteviarebaudianasweetditerpeneglycosideswhichareextractedfromleavesofSteviarebaudianaBERTONIandutilizedwidelyasahighsweetness,lowcalorie,nonutritionsweetenerwithsafetyarereportedtocontain8structurallyrelatedditerpeneglycosides.Theformulaeofthesecomp…  相似文献   

6.
IntroductionOrganotincarboxylatesarewidelyusedasbiocides ,fungicideandashomogeneouscatalystsinindustry .1 6Inordertoexploretherelationshipsbetweenbiologicalactiv ityandstructure ,anumberofsuchmoleculeshavebeensynthesizedandstudiedinrecentyears .7 15Studieson…  相似文献   

7.
IntroductionManyorganochlorinepesticideswereusedonaglobalscalefromthe 195 0stothemid 80s .Becauseoftheirstabilityand persistenceintheenvironment,theyarefrequentlyreferredtoasthepersistentorgan icpollutants(POPs) [1] .Thesechemicalsarebioaccu mulativeinnature ,ca…  相似文献   

8.
IsolationandStructureElucidationofNewGlycosidesfromtheLeavesofOplopanaxElatusNakai(Ⅱ)WANGGuang-shu,ZHAOChun-fangandXUJing-da(...  相似文献   

9.
ComparisionofFABandMALDIMassSpectrometryofGinsenosides¥ZhouYu;LiuZhiqiang;SongFengrui;LiuShuying;LiXianggao;YinJiangyuan(1Cha...  相似文献   

10.
StudiesonGlycosides(Ⅺ)──AConvenientStereoselectiveSynthesisof1-O-Aryl-a-D-glucopyranosidesfromClucosylTrimethylsilylEtherLIZh...  相似文献   

11.
StereoselectiveSynthesesofSomeβ┐D┐1┐ThioglycopyranosidesandBis(β┐D┐glycopyranosyl)SulfidesbyPhaseTransitionCatalysis*YUJian-x...  相似文献   

12.
1INTRODUCTIONThestudiesoforganotincompoundsareofcurentinterestowingtotheirwiderangeofapplications〔14〕suchasbiocidesandhomogen...  相似文献   

13.
Sulfonylureaherbicideshavebeenusedforseveraldecades,whichpossessultralowdosage,lowmammaliantoxicityanddesirableenvironmentalproperties.TheykillweedsbyinhibitingtheactivityofALSenzymeoftheweedsanddestroyingthesynthesisofbranchchainaminoacid.Sincetheesta…  相似文献   

14.
沈鑫  伍贻康  张帆 《中国化学》2002,20(11):1439-1444
IntroductionIn 1988,fromanaqueousextractionofChinesecin namon ,whichhaslongbeenusedinthetraditionalChi nesemedicineasadiaphoretic ,antipyretic ,oranalgesicagent,Fukayaandco workersisolatedcassioside (1)andfoundthatthiscompoundpossessedremarkableantiul cerogeni…  相似文献   

15.
杨洪  周闯  田桂玲  叶蕴华 《中国化学》2002,20(11):1354-1357
IntroductionEnzymaticpeptidesynthesishasdrawnmuchatten tionbecauseofitsadvantageofenzymestereospecificity ,mildreactionconditions ,minimumside chainprotectionandavoidanceofracemization .Butthestrictsubstratespecificityoftheenzymeslimitstheirapplications .…  相似文献   

16.
Eudesmanes and Eudesmanoic Glucosides from Laggera pterodonta   总被引:2,自引:0,他引:2  
EudesmanesandEudesmanoicGlucosidesfromLaggerapterodonta¥YuZHAO;JianMinYue;JingKaiDING;ZhongWenLinandHanDongSUN(Laboratoryofph...  相似文献   

17.
Purpleacidphosphatase(PAP)catalyzesthehydrolysisofactivatedphosphoricacidestersincluldingnucleosidediandtriphosphatesandarylphosphatesunderacidicconditions[1].Althoughtheyhavebeenisolatedfromavarietyofmammalian,plant,andmicrobialsources,onlytheenzymesiso…  相似文献   

18.
2 Deoxy D ribose (1) ,thesugarpartofDNA ,isoneofthemostimportantstartingmaterialnotonlyforthepreparationsofnucleosides ,nucleotides ,DNAandtheiranalogs,butalsoforthesynthesesofanumberofotherbio activecompounds .1Recentlyitsantipode 2 deoxy L ribose (2 )wasalsoattra…  相似文献   

19.
Nitronicacidsandnitronicestersarespecialspeciesoforganiccompounds,whosestrikingpropertyisinstability[1—3].Duetothisreason,studiesrelatedtothesespecieshaveprogressedveryslowly.Recently,wereportedthesynthesisofstablenitronicacidIandnitronicesterII[4—6](fig.1),a…  相似文献   

20.
CrystalStructureofDodecaaminiumDidecavanadateDodecahydrate¥ChengChang-Zhang;ShaoShi-Bao;HuangXiao-Ying;LinZhou-Bin(FujianInst...  相似文献   

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