作者:Zhihan Wang、Benjamin Miller、Jonathan Butz、Katelyn Randazzo、Zijun D. Wang、Qianli R. Chu
DOI:10.1002/anie.201705937
日期:2017.9.25
group, was synthesized from a gemini monomer through photoreaction in the solid state. The modular design of the gemini monomers used to create polyladderane allowed specific structural modification, resulting in the formation of two distinct polymer products. Monomers were synthesized by connecting two photoreactive units, either sorbic acids (monomer I) or 2‐furanacrylic acids (monomer II), with a
聚ladderane是第一个包含梯形烷烃官能团的聚合物,是由双子单体通过固态光反应合成的。用于产生聚ladderane的双子座单体的模块设计允许进行特定的结构改性,从而导致形成两种不同的聚合物产物。单体是通过将两个光反应单元(山梨酸(单体I)或2-呋喃丙烯酸(单体II))与1,4-丁二醇接头连接而合成的。对单体的单晶X射线衍射分析证实,它们以所需的头尾方向排列并且在可行的范围内通过电子互补相互作用进行光反应而堆积。预组织的双子座单体用紫外线照射并通过FT-IR进行监测。与顺式的两个聚拉达烷,抗,顺-[3] -ladderane作为特征性官能团可在24-36小时内立体定位。