简介：Highqualitypoly(5-cyanoindole)(P5CI)filmswereelectrosynthesizedbydirectanodicoxidationof5-cyanoindoleonstainlesssteelsheetinthemixedelectrolytesofborontrifluoridediethyletherate(BFEE)anddiethylether(EE)(byvolume1:1)+0.05molL~(-1)Bu_4NBF_4.Thefilmformedcanbepeeledofftheelectrodeintofreestandingfilms.TheadditionofEEintoBFEEcanimprovethesolubilityofmonomer.P5CIfilmsobtainedfromthismediumshowedexcellentelectrochemicalbehaviorwithconductivityof10~(-2)Scm~(-1).Structuralstudiesshowedthatthepolymerizationof5-cyanoindoleoccurredatthe2,3position.As-formedP5CIfilmswerethoroughlysolubleinstrongpolarorganicsolventdimethylsulfoxide(DMSO)whilepartlysolubleintetrahydrofuran(THF)oracetone.FluorescencespectralstudiesindicatedthatP5CIwasagoodblue-lightemitter.

简介：Catalyticasymmetriccarbon-carbonbondformationisoneofthemostimportantreactionsandhaveattractedmuchattentiontodevelopmoreefficientenantioselectiveC-Cformationmethodsinorganicsynthesis.Inthisfield,asymmetricadditionofdiethylzinctoaldehydes[1]andconjugateadditiontoenones[2]havedrawnspecialinterestsandhavebeengreatlydeveloped.Regardlessofit,muchspacesintheseareasstillexist,soitneedsmoreextensiveandintensiveresearchesforthepurposeofasfollows:(1)attachingligandstoapolymerfortheeasyseparationofthecatalystssoastobeabletoallowveryefficientrecoveryandreuseofthecatalysts,andthepossibilityofcarryingoutthedesiredtransfomationincontinuousmodeinaflowreactor,etc.,(2)searchingfornovelchiralcatalystswithsuchfeaturesasmoresuitableformoreextensivesubstratesvarieties,andmoreconvenientandeconomicalaswellaspossessingapplicableprospect,andsoon.Herewereportsomeworksintheseareasdoneinourlaboratory.

简介：Fivechiralstationaryphases(CSPs)wereusedtoseparatetheenantiomersofaseriesofO,O-diethyl(p-methyl-benzenesulfonamindo)-aryl(alkyl)-methylphosphonates.Achiralrecognitionmechanismwaspresentedtoexplaintheresolutionofthesecompounds.ResultsshowthatCSPwithstrongπ-acceptor3,5-dinitrobenzoylgroupandhighsterichindrancehasthebestresolutionabilityinchiralseparationofO,O-diethyi(p-methyl-benzenesulfonamindo)-aryl(alkyl)-methylphosphonates.WhenaCSPhasjustastrongπ-acceptor3,5-dinitrobenzoylorhighsterichindranceitdoesnothavegoodchiralresolutionability.ThechiralrecognitionismoredifficultwhentheCSPhasmorethanoneasymmetriccenter.