简介：Thereactionsofimidatesincludingcyclicimidates,oxazolinesanddihydrooxazinewithphenoxyacetylchloride,wereinvestigated.TheresultsindicatethatdiacylamideoracylamidewasgeneratedfromN-phenoxyacetylatedimidates,whilecyclicimidateoxazolinesunderwentaring-openingreactiontoyielddifferentamidesdependingonthereactionconditions.Evenundernon-nucleophilicconditions,noβ-lactam-fusedoxazolinederivativewasobtained.

简介：ＣａｔａｌｙｔｉｃＤｅｃｈｌｏｒｉｎａｔｉｏｎｏｆＰｏｌｙｃｙｃｌｉｃＣｈｌｏｒｏａｒｏｍａｔｉｃｓｗｉｔｈＤｉｃｙｃｌｏｐｅｎｔａｄｉｅｎｙｌＹｔｔｒｉｕｍＣｈｌｏｒｉｄｅⅡＣａｔａｌｙｔｉｃＤｅｃｈｌｏｒｉｎａｔｉｏｎｏｆＰｏｌｙｃｙｃｌｉｃＣｈ...

简介：ThePd（PPh3）4-catalyzedcouplingreactionofalkenyl-disiamylboraneswithfurfurylchlorideinthepresenceoft-BuOKafforded（E）-furfurylalkenesstereospecificallyingoodyields.

简介：ThesolidcomplexesofCr(AA)2Cl3·nH2OofCrCl3withL-α-aminoacids(AA=Val,Len,Thr,Met,Arg,Phe,TryandHis)havebeenpreparedin95?EtOHmedium,andcharacterizedstructurallybyelementalanalysis,chemicalanalysis,IRspectraandTG-DTG.Theconstant-volumecombustionenergiesofthecomplexeshavebeendetermimedbyRBC-Ⅱtyperotating-bombcalorimeter.Thestandardenthalpiesofformationofthecomplexeshavebeencalculatedaswell,hwichare(-2543.16±3.71)(Val),(-2561.32±4.06)(Leu),(-2284.02±2.95)(Thr),(-1418.77±4.60)(Met(,(-3218.91±4.67)(Arg),(-2643.90±5.02)(Phe),(-1707.18±3.23)(Try)and(-2838.05±3.45)(His)kJ/mol,respectively.

简介：Thedevelopmentofconductingpolymershasbeenanactivesubjectintheworldsincethelatein1970’s.Thepreparationofpolyaeetylene-likepolymersbydehydroehlorinationofpolyvinylchloride(PVC)isaveryeconomicalandusefulprocedureand,hence,afocusofenormousinterestofboththeoretieiansandexperimentalists.Inrecentyears,manymethodsfordehydrochlorinationofPVCinsolutionhavebeenstudiedwidelyandmanykindsofcatalyticmechanismshavebeensuggested.

简介：ＣａｒｂｏｎｙｌａｔｉｏｎｏｆＡｌｌｙｌＣｈｌｏｒｉｄｅＣａｔａｌｙｚｅｄｂｙＰｄＣｌ２（ＴＰＰＴＳ）２ｉｎＴｗｏ－ｐｈａｓｅＭｅｄｉｕｍＣａｒｂｏｎｙｌａｔｉｏｎｏｆＡｌｌｙｌＣｈｌｏｒｉｄｅＣａｔａｌｙｚｅｄｂｙＰｄＣｌ２（ＴＰＰＴＳ）２ｉｎ...

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简介：TheepoxidationofallylchloridewithH2O2onTi-ZSM-5preparedbyisomorphoussubstitutionofHZSM-5withTiCl4gaswasstudied.TheresultsshowthatTi-ZSM-5hasahighcatalyticefficiencyfortheepoxidationofallylchloride.TheH2O2utilizationreaches99.50%whentheallylchloride/H2O2molarratiois>1.Theeffectofsolventspecies,catalystconcentration,H2O2andallylchlorideconcentrationandreactiontemperatureontheepoxidationwasinvestigatedsimultaneously.Itisfoundthatmethanolisthebestsolventforthereaction.Thereactionrateequationwithv=k[Cat.][H2O2]1/2-[C3H5Cl]andtheapparentactivationenergywithEa=63.462kJ/molareobtainedaccordingtothekineticsstudy.

简介：从arenes和thionyl氯化物的对称的diarylsulfoxides的合成面对在在没有溶剂的条件下面的房间温度的碘的催化数量被描述。温和反应条件，容易的工作在上面，高收益，和容易可得到的催化剂是这个方法的重要特征。

简介：小说荧光灯coumarin-4H-pyran结合被各种各样的合成-ketoesters的三部件的反应在水的媒介与醛和malononitrile完成。除温和反应条件以外，运作的简洁，乏味的分离过程的缺席，因为催化剂是这个方法的突出的优点，便宜、无毒的商业地可得到的cationic表面活化剂cetyltrimethylammonium氯化物(CTAC)使用。

简介：

简介：为10-aryl-6,8-dimethyl-6,10-dihydro-5-oxa-6,8-diazaanthra的准备的一个环境地友好的过程[2,3-d][1,3]在热没有溶剂的条件下面的dioxole-7,9-diones面对是的氰尿酸氯化物，异构的催化剂被开发。