四苯乙烯衍生物英文翻译.pdf

Awidevarietyofsubstituentshasbeenattachedtophenylbladesoftetra-phenylethylenemoiety

toenhanceitselectronicandopticalprop-erties.Xuetal.[11]reportedthattriphenylethylene

derivativesalsoshowremarkableaggregation-inducedemissionproperties.Inthisletter,wereport

Thesynthesisandtheiraggregation-inducedemissionpropertiesofthreenewoligomers,inwhich

triphenyleth-yleneunitsdirectlyconnectedtotetraphenylethenemoiety.Thesecompoundsexhibit

remarkableaggregation-inducedemissionproperties,whichmakethempromisingcandidatesas

luminescentmaterialsforelectroluminescenceapplications.

各种附加到四苯乙烯的苯环上的取代基是来提高其电子性质和光学。并且徐等人报道了三苯乙烯衍生

物也显示出显著的聚集诱导发光特性。在这篇论文中，我们报告了三个新的低聚物的聚集诱导荧光特

性和他们的合成，其中三苯乙烯单元直接连接到四苯乙烯部分。这些化合物表现出显著的聚集诱导荧

光特性，使他们在电致发光的应用上成为有前途的候选发光材料。

Ourstrategyforthesynthesisoftetraphenylethylenebasedcoreunitsandtriphenylethylene

boronicacidderivativesisoutlinedinScheme1.The1-(4-bromophenyl)-1,2,2-triphenylethylene(1)

[12]wassynthesizedviathereactionof4-bromobenzophenonewithdiphenylmethyllithiumata

lowertemperature(0C)followedbyacidcatalyseddehydrationoftheresultingalcoholin85%

yield.Thedimethoxy-substitutedTPE2wasobtainedfrom4,4-dimethoxybenzophenoneand

4-bromobenzophenoneusingconven-tionalMcMurryreactionin40%yield.Lowyieldof2isdueto

theformationofdibromo-tetraphenylethyleneandtetra-methoxy-tetraphenylethylenederivatives.

Tetrakis(4-bromophenyl)ethyl-ene(3)13waspreparedfrom4,4-dibromobenzophenonethrougha

titanium(0)-catalysedMcMurryreactionin76%yield.Benzophe-none(4)wasconvertedinto

1-bromo-4-(2,2-diphenylvinyl)ben-zene(6)14usingdiethyl4-bromobenzylphosphonateinthe

presenceofpotassiumtert-butoxideasabaseinanhydrousTHFat0Ctemperature.Therelated

methoxy-substitutedtriphenyl-ethylenederivative7wasobtainedinasimilarmannerstartingfrom

4,4-dimethoxyb