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1.
IntroductionOrganophosphoruscompoundsarewidelyusedasin secticides ,herbicidesandfungicides .Inviewofthepos sibleinfluenceoffluorinesubstitutiononthebiologicalactivityoforganophosphoruscompoundswehaveturnedourattentiontothestudyofthesynthesisandbiologica… 相似文献
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Chiral model complexes for methane monooxygenase and their asymmetric catalysis of styrene epoxidation 总被引:1,自引:0,他引:1
Asymmetricsynthesis,inparticularthecatalyzedasymmeticsynthesis,hasbeenafascinatingareaofcurrentresearchinterestduetospecialphysicologicalactivitiesandwideapplicationsasmedicinesandpesticides[1].Asymmetriccatalyst,whichpresentsachiraltemplate,playsacrucia… 相似文献
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IntroductionOrganotin(IV)complexeswerewidelyusedasbio cides,fungicidesandinindustryashomogeneouscata lysts.1 6 Morerecently ,pharmaceuticalpropertiesofalkyltin(IV)complexeswithN ,N dialkyldithiocarba mateligandshavebeeninvestigatedfortheirantitumouractivity.7,8… 相似文献
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IntroductionNucleosidesandtheiranaloguesaspotentialanti cancerandantivirusagentshavebeenstudiedextensively .Mostofthecurrentlylicensedantiviraldrugsandmanyofthedrugsusedinanticancerchemotherapyarenucleosideanalogues .1Forthemajorityoftheseanaloguesshown… 相似文献
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ThesteviarebaudianasweetditerpeneglycosideswhichareextractedfromleavesofSteviarebaudianaBERTONIandutilizedwidelyasahighsweetness,lowcalorie,nonutritionsweetenerwithsafetyarereportedtocontain8structurallyrelatedditerpeneglycosides.Theformulaeofthesecomp… 相似文献
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IntroductionOrganotincarboxylatesarewidelyusedasbiocides ,fungicideandashomogeneouscatalystsinindustry .1 6Inordertoexploretherelationshipsbetweenbiologicalactiv ityandstructure ,anumberofsuchmoleculeshavebeensynthesizedandstudiedinrecentyears .7 15Studieson… 相似文献
7.
Z. L. Zhang H. S. Hong J. L. Zhou ** M. H. Dai K. Maskaouib W. Q. Chen . Department of Environmental Science Engineering Tsinghua POPs Research Centre Tsinghua University Beijing China . Key Laborator 《高等学校化学研究》2002,(2)
IntroductionManyorganochlorinepesticideswereusedonaglobalscalefromthe 195 0stothemid 80s .Becauseoftheirstabilityand persistenceintheenvironment,theyarefrequentlyreferredtoasthepersistentorgan icpollutants(POPs) [1] .Thesechemicalsarebioaccu mulativeinnature ,ca… 相似文献
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Isolation and Structure Elucidation of New Glycosides from the Leaves of Oplopanax Elatus Nakai(Ⅱ) 总被引:1,自引:0,他引:1
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.
《高等学校化学研究》1995,(4)
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.
Comparative molecular field analysis (CoMFA) of new herbicidal sulfonylurea compounds 总被引:2,自引:0,他引:2
Sulfonylureaherbicideshavebeenusedforseveraldecades,whichpossessultralowdosage,lowmammaliantoxicityanddesirableenvironmentalproperties.TheykillweedsbyinhibitingtheactivityofALSenzymeoftheweedsanddestroyingthesynthesisofbranchchainaminoacid.Sincetheesta… 相似文献
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IntroductionIn 1988,fromanaqueousextractionofChinesecin namon ,whichhaslongbeenusedinthetraditionalChi nesemedicineasadiaphoretic ,antipyretic ,oranalgesicagent,Fukayaandco workersisolatedcassioside (1)andfoundthatthiscompoundpossessedremarkableantiul cerogeni… 相似文献
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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
《中国化学快报》1996,(12)
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