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1.
IntroductionGlycolethersarethereactionproductsofalcoholswithepoxidesandareonekindoftheimportantderivativesofepoxides .Theyfindmanyapplicationsinthemanufactureofcoatingmaterials ,printinginksanddetergentsandareusedasintermediatesandhighboilingpointsolve…  相似文献   

2.
StudiesontheGlycosidesintheLeavesofOplopanaxelatusNAKAI(Ⅰ)WANGGuang-shu,ZHAOChun-fangandXUJing-da(BethuneUniversityofMedicalS...  相似文献   

3.
ChemicalStudiesontheGlycosidesintheLeavesofOplopanaxElatusNakai(Ⅳ)*WANGGuang-shuandXUJing-da(NormanBethuneUniversityofMedical...  相似文献   

4.
1,2-CyclicMonoalkly-rac-Glycerothiophosphatesof2',3'-O-Isopropylideneuridine12-CyclicMonoalkly-rac-Glycerothiophosphatesof2',...  相似文献   

5.
StudiesonGlycosides(Ⅺ)──AConvenientStereoselectiveSynthesisof1-O-Aryl-a-D-glucopyranosidesfromClucosylTrimethylsilylEtherLIZh...  相似文献   

6.
IsolationandStructureElucidationofNewGlycosidesfromtheLeavesofOplopanaxElatusNakai(Ⅱ)WANGGuang-shu,ZHAOChun-fangandXUJing-da(...  相似文献   

7.
TheEnhancementofFluorescenceofTheSquaraineDyeLBFilmsbyOvercoatingofGlycolipidsJinRuLI;ChangYuFAN;BaoFangLIandLongJIANG(Instit...  相似文献   

8.
Glycoproteinsareknowntobeanimportantgroupoffunctionalmacromoleculesinbiologicalsystems,butitismoredifficulttoanalyzethemthannormalproteins.Themostseriousproblemliesintheanalysisoftheirmicroheterogeneitywhichisaspecialphenomenonofglycoconjugates.Differ…  相似文献   

9.
用量子化学从头计算方法(Gaussian 94W,RHF/LANL2DZ)对钯(Ⅱ)与蛋氨酸以及二肽AcMct-Gly形成的配合物〔Pd(S,N,O-AcMet-Gly)(H2O)〕^+进行了结构优化,得到了稳定的构象。计算结果表明,当肽键中的羰基氧与钯(Ⅱ)配位之后,羰基碳所带的正电荷增加了28.3%,使它极易受到亲试剂(溶济水)的进攻而使肽键发生断裂,这为钯(Ⅱ)配合物水解切割小肽的外部水进攻  相似文献   

10.
PreparationandEvaluationofPolyethyleneGlycolAcrylateCoatedCapillaryZoneElcctrophoresisColumn¥XiaoHongFANG;AiJinHUANGandYiLian...  相似文献   

11.
EfectofCatalystPretreatmentontheOxidationofCarbonMonoxideoverGoldCatalystsSupportedonDoubleOxidesHAOZhengpingANLidun1)WANGHon...  相似文献   

12.
THECONVERSIONOFSYNGASONFe/MnOⅠ.EfectsofMetalModificationonProductDistributionGuanNaijia(DepartmentofChemistry,NankaiUniversit...  相似文献   

13.
IntroductionOrganotin(IV)complexeswerewidelyusedasbio cides,fungicidesandinindustryashomogeneouscata lysts.1 6 Morerecently ,pharmaceuticalpropertiesofalkyltin(IV)complexeswithN ,N dialkyldithiocarba mateligandshavebeeninvestigatedfortheirantitumouractivity.7,8…  相似文献   

14.
IntroductionBoththestudiesonthelow-dimensionmaterialsofmodifiedPbTiO3andpurePbTiO3werecarriedoutsynchronously,theauthorshopedtostrengthenthephysicochemicalproper-tiesofthematerialsinsomerespectsbymeansofchangingdesignmodificationscheme.Amongthenumero…  相似文献   

15.
SynthesisandCharacterizationofaNovelGallophosphatewithEthyleneGlycolKANQiu-binandXURu-ren(DepartmentofChemistry,JiliuUniversi...  相似文献   

16.
1INTRODUCTIONPreviously,alargenumberofthio(seleno)phosphate phosphonatederivatives,bearingaP-O-C-Pbondstructure,weresynthesiz...  相似文献   

17.
TheElectronicStructuresandCatalyticActivitiesofTrirutheniumKetenylideneClustersSupportedonOxidesLIZhi-ru;XIAOFeng-shou;ZHANGY...  相似文献   

18.
CatalyticOxidationofCyclohexenewithMolecularOxygenonHydrotalcite-IikeCompoundsGUOJun,WANGNing,JIAOQing-zeandJIANGDa-zhen(Depa...  相似文献   

19.
1 INTRODUCTIONα Thiocarbonylthioformamidesweresynthesizedin 1 980 [1~ 2 ],however,therewasnoreportontheirpropertiesandreactionactivities[3].Wereportedthereactionofα thiocarbonylthioformamidespreviously[4 ].Here ,wereportthesynthesisof 2 morpholinylthioformyl 2 pheny…  相似文献   

20.
EffectofSubstitutingGroupontheCalculatedNonlinearSecond-OrderOpticalSusceptibilitiesofSubstitutedThiopheneDerivativeswithQuin...  相似文献   

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