简介：Synthesisof9,9-bis(buthoxycarbonylethyl)fluorine(C27H34O4,Mr=422.54)withbutylacrylateasalkylationreagentandfluoreneasstartingmaterialhasbeenperformed.ThecrystalstructurewasmeasuredbyusingtheX-raydiffractionmethod.Thecrystalbelongstomonoclinic,spacegroupP2(1)/cwithparametersas:a=1.2912(1)nm,b=1.0974(1)nm,c=1.7468(1)nm,β=90.252(2),V=2.4752(4)nm3,Z=4,Dcacl=1.134g·cm-3,λ=0.071073nm,μ(MoKα)=0.075mm-1,F(000)=912,R=0.0651andwR=0.1475.X-rayanalysisrevealsthatthethreefusedringsofthefluorenesystemarealmostcoplanarandthetwoestergroupsarenearlyperpendiculartothefused-ringsystem,weakCHOhydrogen-bondingconnectsthemoleculeintocentrosymmetricdimmers

简介：Copolymersoffluorene-co-phenothiazine(P1)andthiophene-co-phenothiazine(P2)werepreparedrespectivelybyWittigreaction.Thesynthesis,photo-physicalandelectroluminescentpropertiesoftheresultingpolymerswereanalyzedbyFT-IR,GPC,1H-NMR,UV-Vis,Photoluminescence(PL),Electroluminescence(EL)andCyclicVoltammetry(CV).TheirsinglelayerdeviceswithconfigurationofITO/polymers/Ca/Alwerestudied.GPCresultsrevealedtheweight-averagemolecularweight(Mw)was3.0×103and5.4×103,respectively.ThedevicewithasinglelayerstructureofITO/P1/Ca/Alemitsgreenlightwiththemaximumpeakat552nm.However,thedevicewithasinglelayerstructureofITO/P2/Ca/Alemitredlightwiththemaximumpeakat616nm.

简介：Anewbis(aroylacetylene)containingtfiazoleandfluorenemoietiesissynthesizedbyclickchemistry.Polycyclotrimerizationofthemonomeriscatalyzedbypiperidineinrefluxeddioxane,furnishingaregioregularpoly(aroylarylene)inasatisfactoryyield.Thehyperbranchedstructureofthepolymerischaracterizedspectroscopicallywithsatisfactoryresults.Thepolymerenjoysnometaldetrimentandissolubleincommonorganicsolventssuchastetrahydrofuran(THF),chloroform,dichloromethane(DCM),andN...