respective (H/H)-modified species. Additionally, MALDI methods were used for a qualitative assessment. Subsequent azide/alkyne “click” reaction with either 1-(6-azidohexyl)thymine or 5-((4-azidobenzoyl)amino)-N,N′-(6-(octanoylamino)pyridin-2-yl)isophthalamide using CuI, CuBr(PPh3)3, or CuI·P(OEt)3 as catalyst yielded the final products with attached hydrogen bonds as judged by LC-ESI-TOF methods. The described
从远螯炔炔官能化的P3HT经由
铜(I)催化的
叠氮化物/炔“点击”反应开始,制备了具有复杂氢键基团的端基改性聚(
3-己基噻吩)(P3HT)。预计最终的聚合物将排列成由交替的供体/受体聚合物组成的假嵌段共聚物,用于太阳能电池材料中。从
溴-telechelic P3HT(M n = 2000 g / mol; M w / M n= 1.2)通过McCullough方法制备,随后进行额外的
溴化反应,得到具有(80%Br / Br; 20%H / Br)端基的远螯P3HT,通过Sonogashira偶联制备了相应的α,ω-(三甲基甲
硅烷基)
乙炔基-P3HT。反应。首次使用LC-ESI-TOF方法对炔基-telechelic P3HT物种的端基进行了分析,证明形成了〜59%(
乙炔基/
乙炔基)和〜40%(
乙炔基/ H)物种在α,ω-(三甲基甲
硅烷基)
乙炔基-P3HTs中,只有少量(〜1%)的相应(H /