简介：利用直接法合成未见文献报道的K8[ZnMg（H2O）W11O39]·15H2O，通过ICP，IR和XRD等方法对其结构进行表征，结果表明所合成的配合物具有Keggin结构．采用化学热扩渗法对合成配合物进行稀土扩渗实验，经XPS测试表明，有微量的钆渗进配合物的体相，并与组成元素存在键合作用，导电性测试结果表明，扩渗后试样的导电率提高10^5倍，是一种优良的固体电解质，有望成为具有实用价值的功能材料．

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简介：Yb3+complexeswithtwonitrilotriaceticacidmoleculeswerepreparedandtheircompositionsweredeterminedasK3[Yb(nta)2(H2O)]*5H2OandNa3[Yb(nta)2]*6H2Obyelementalanalyses.Theirstructureswerecharacterizedbysingle-crystalX-raydiffractionanalyses.IncomplexK3[Yb(nta)2(H2O)]*5H2O,theYbN2O7partformsanine-coordinatemonocappedsquareantiprismaticstructure.IncomplexNa3[Yb(nta)2]*6H2O,theYbN2O6partformsaneight-coordinatesquareantiprismaticstructure.Itcanbeseenthattheoutercations(K+andNa+)greatlyaffectthecoordinationnumberandcoordinatestructurefromtheseresults.

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简介：AseriesofcarboxylicacidswasesterifiedtothecorrespondingesterswithTiCl_4ascatalystatroomtemperature,inhighyields.Thiscatalystwashighlyeffectivefortheselectiveesterificationofprimaryalcoholswithcarboxylicacids,inthepresenceofsecondaryalcohols,andfortheselectiveesterificationofsaturatedacidwithalcoholinthepresenceofconjugatedacidoraromaticacid.Onaccountofthehighyield,highchemoselectivity,mildcondition,andbeingfreeofotherdehydrants,thisisanefficientmethod.

简介：Newboronoalkoxycalix[4]arenesweresynthesizedbyallylation,alkylation,hydroborationandhydrolysisof25,26,27,28-tetrahydroxycalix[4]arene,andidentifiedbyelementalanalysis,IR,1HNMR,13CNMR,11BNMR,MSandUVspectra.ThedataofUVandfluorescencespectrashowedthattctrapropoxycalix-[4]arenetriboronicacidcouldcoordinatesignificantlywithmonosaccharides.

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简介：一系列2,4,5-triaryl在vitro作为ALK5禁止者代替了1H-pyrazol-3(2H)-ones,，是desigened，综合并且评估。大多数混合物在1μmol/L展出了显著ALK5抑制活动并且没在30μmol/L显示重要cytotoxicities。

简介：AsimpleandefficientcascadeMichael/cyclizationreactionof3-aminoindolin-2-oneswithenones/enalswasidentifiedforthesynthesisofpotentiallybiologicallyactive3’,4’-dihydrospiro[pyrrol-3,2’-oxindoles],usingDBUasanefficientcatalystandethyleneglycolasanenvironmentallybenignsolvent.Morediverse3’,4’-dihydrospiro[pyrrol-3,2’-oxindoles]analoglibrarieswerepreparedingoodyields(upto97%).Thestructureof3’,4’-dihydrospiro[pyrrol-3,2’-oxindoles]wasconfirmedbymassspectrometryanalysis,NMRanalysisandsinglecrystalX-raydiffraction.Themainadvantagesofthismethodincludetheavailabilityofstartingmaterials,simpleexperimentaloperation,shortreactiontime,aswellashighyieldsobserved.

简介：在常规条件下合成了一种新型的氨基酸功能化的多金属氧酸盐化合物[（Gly）2（H2O）2Cu]K3[Al（OH）6Mo6O18]·7H2O，并通过元素分析、红外光谱、紫外可见光谱、热重分析和X射线单晶衍射等方法对其晶体结构进行了表征．结构分析表明：该晶体属于三斜晶系，Pi空间群，晶胞参数a=0．81053（16）nm，b=1．1394（2）nm，c=1．8247（4）nm，α=93．96（3）°，β=92．89（3）°，γ=108．90（3）°，V=1．5858（5）nm^3，Z=2．

简介：ＮＯＶＥＬＯＸＩＤＡＴＩＯＮＯＦＨＥＸＡＢＥＮＺＹＬＨＥＸＡＡＺＡ－ＩＳＯＷＵＲＴＺＩＴＡＮＥＢＹＭｅ２ＣＨＮＯ２／ＣｕＣｌ／Ｐｙ／Ｏ２ＸｉａｏＰｅｉＧＵＡＮ；ＨｏｎｇＹＡＮ；ＪｉａｎＧｕａｎｇＳＵＮ；ＹｏｎｇＺｈｏｎｇＹＵ(ＳｃｈｏｌｏｆＣｈｅ?..

简介：以银离子、3,3′,4,4′-二苯硫酮四羧酸阴离子（tdpc）和4,4′-联吡啶（bipy）,合成了一种新型化合物[十二水合（3,3,′4,4′-二苯硫酮四羧酸）（4,4′-联吡啶）水合银][Ag2（tdpc）（bipy）2][Ag2（bipy）2（H2O）].12H2O,该化合物为链状结构,Ag…Ag相互作用,bipy间的π-π相互作用和氢键作用将化合物联接为三维超分子结构.

简介：PolycrystallinesBi0.5Ca0.5–xLaxFe0.3Mn0.7O3(x=0,0.05,0.10,0.15,0.20,0.25)werepreparedbymoltensaltmethodandshowedperovskiteorthorhombicstructurewithspacegroupPnma.Themagneticmeasurementsindicatethatthecompoundsexhibitantiferromagneticbehaviorinatemperaturerangeof4―300K.ThemeasurementsoftransportpropertiessuggestthatthesubstitutionofLaforCaenhancedtheconductivity,andakinkappearedonthecurveoftemperaturedependenceofresistivityat275K,whichisrelatedtothespin-reorientationinthesamples.

简介：一系列5-phenyl-3H-spiro[indoline-3,2-[1,3,4]thiadiazol]-2-one类似物被综合并且他们的Bcl-2蛋白质禁止的活动被学习。铅混合物原来用荧光被识别基于极化的竞争有约束力的试金。在调查的10混合物之中，1k分别地显示出好有约束力的亲密关系到Bcl-xL和Mcl-1，与8.9mol/L和3.4mol/L的抑制常数。当复合1c完成了紧密的有约束力的亲密关系到Bcl-xL时(Ki=0.16mol/L)，有潜力是新铅混合物。

简介：0.5%Pt-K/γ-Al2O3catalystsforthesynthesisofo-phenylphenol(OPP)fromo-cyclohexenyl-cyclohexanone(dimer)dehydrogenationwerepreparedbymeansofatwosubsequentimpregnationmethod.Theeffectsofcatalystpreparationparameters,suchasKpromoters,calcination,andreductionconditions,wereinvestigated.TheresultsshowedthattheadditionofK2SO4toPt/γ-Al2O3catalystnotablypromotedtheselectivityofOPP,anditsoptimumcontentwasfoundtobe6%inmassfraction.ThehigheractivitywasobtainedwhenPt/γ-Al2O3catalystwascalcinedinnitrogenatmosphereat400―500°Candthenreducedatthesametemperaturefor3hinhydrogenatmosphere.TheconversionofthedimerandtheselectivityofOPPwerealwaysabove99%and90%,respectively,over0.5%Pt-6%K2SO4/γ-Al2O3catalystduringthepilotscaletestof8000h.

简介：采用水热法合成了一种新的超分子化合物{[2-（4-chlorophenyl）benzimidazoleH]2^2＋·[SbCl5]^2-}n.通过元素分析、红外光谱、荧光光谱及X射线单晶衍射对其结构和性质进行了测定.结构分析表明;该晶体属于单斜晶系,P21/c空间群,晶胞参数为：a=0.5830（9）nm,b=1.6125（3）nm,c=1.6163（3）nm,β=94.181（2）°,Z=2,化学式为C26H20Cl7N4Sb,Mr=758.36,V=1.5155（4）nm^3,Dc=1.662g·cm^-3,μ=1.551mm^-1,F（000）=748,R1=0.0891,wR2=0.2568.Sb^3＋与其周围6个氯离子配位,构成一个6配位的畸变八面体构型,配阴离子与2-（4-氯苯基）苯并咪唑阳离子以静电引力、氢键及π-π堆积作用形成三维网状超分子化合物.荧光测试显示该化合物具有较好的光致发光性能.

简介：Thecrystalstructureofthetitlecomplex{[Co(TCB)2/2-(IMI)2(H2O)2][Co(IMI)4(H2O)2]}(H2O)4(whereTCB=1,2,4,5-benzenetetracarboxylicanion;IMI=imidazole)hasbeendeterminedbyX-raydiffractionmethod.Crystaldatafor{[Co(TCB)2/2(IMI)2(H2O)2][Co(IMI)4(H2O)2]}-(H2O)4:triclinic,spacegroupP1,a=1.0647(2)nm,b=1.1165(1)nm,c=1.00361(1)nm,α=91.56(1)°,β=111.34(1)°,γ=115.642(10)°,V=0.9772(3)nm5,Z=1.Thepolymercobalt(II)complexhasanovelthree-dimensionnetworkstructure.Co(1)atomandCo(2)atombotharecoordinatedinanoctahedralarrangementandlocatedinthecenterofthecoordinationanionandthecenterofthecoordinationcation,respectively.MoreoverfourcarboxylgroupsofTCBaredividedintotwotypes,twopara-carboxylgroupsbridgeCo(1)atominmonodentatefashionandothertwopara-carboxylgroupsareinfree.

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简介：ThecatalyticactivitiesofMnOx-WO3/TiO2forselectivecatalyticreduction(SCR)ofNOwithNH3wereinvestigatedinawiderangeoftemperatureandreactioncondition.ItyieldedaNOxconversionof80.3%-99.6%andaN2productselectivityof100%-98.7%during100°Cto350°Catgashourlyspacevelocity(GHSV)=18900h-1.Inthepresenceof0.01%SO2and6%H2Oat120°C,theNOxconversioncanmaintain98.5%.At300°Candwith0.07%SO2inreactantstream,theNOxconversionstabilizedat99%ashighasthecommercialV-W/TiO2catalyst'slevel.Thesteady-statekineticsstudyshowsthatO2playedapromotingrole.Inthepresenceoflessthan1.5%O2,NOxconversioncanincreasesharplywiththeincreaseofO2concentration.ThereactionorderwaszerowithrespecttoNH3andfirstwithrespecttoNOwithexcessO2andH2O.Thekineticsactiveenergy(Ea)ofMn-W/TiO2wascalculatedtobe6.24kJ/molaccordingtothekineticexperimentatvarioustemperatures,muchlowerthanthoseofothercatalystsreportedintheliterature.Mn-W/TiO2isanexcellentcatalystforSCRofNOwithNH3bynow.

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