简介:Anewbis(aroylacetylene)containingtfiazoleandfluorenemoietiesissynthesizedbyclickchemistry.Polycyclotrimerizationofthemonomeriscatalyzedbypiperidineinrefluxeddioxane,furnishingaregioregularpoly(aroylarylene)inasatisfactoryyield.Thehyperbranchedstructureofthepolymerischaracterizedspectroscopicallywithsatisfactoryresults.Thepolymerenjoysnometaldetrimentandissolubleincommonorganicsolventssuchastetrahydrofuran(THF),chloroform,dichloromethane(DCM),andN...
简介:这个工作报导杂环的functionalized聚合物的合成和描述,poly(triazole-etherimidazole)s(PTAEI)从终止dialkyne的混合物,3-(4,5二度(4-(propargyloxy)苯基)由使用按反应的-1H-imidazol-2-yl)-9-ethyl-9H-carbazole,。PTAEI被描绘并且他们的性质象溶解度那样,热,机械,photophysical和金属离子吸附被调查。这些聚合物让重量平均臼齿的群众(M<潜水艇class=“a-plus-plus”>在1910026700g/mol的范围的w),在极的aprotic溶剂展出了优秀溶解度并且由答案扔形成了低有颜色的灵活薄电影方法。他们与玻璃转变温度展出了好热稳定性(T<潜水艇class=“a-plus-plus”>在160之间的g)??????????千偓???????????????????吗??
简介:Poly(4-vinylpyridine)supportednanoparticleofcopper(Ⅰ)iodideisreportedasagreenandrecyclablecatalystfortheregioselectivesynthesisof1,4-disubstituted-1H-1,2,3-triazolesfrombenzylhalides,sodiumazideandterminalalkynesinwater.Thiscatalystcanberecoveredbysimplefiltrationandrecycledupto8consecutiverunswithoutanylossofitsefficiency.