作者:Hua Wang、Feng Zhou、Gerui Ren、Qinheng Zheng、Hongli Chen、Bing Gao、Liana Klivansky、Yi Liu、Bin Wu、Qingfeng Xu、Jianmei Lu、K. Barry Sharpless、Peng Wu
DOI:10.1002/anie.201701160
日期:2017.9.4
The SuFEx‐based polycondensation between bisalkylsulfonyl fluorides (AA monomers) and bisphenol bis(t‐butyldimethylsilyl) ethers (BB monomers) using [Ph3P=N−PPh3]+[HF2]− as the catalyst is described. The AA monomers were prepared via the highly reliable Michael addition of ethenesulfonyl fluoride and amines/anilines while the BB monomers were obtained from silylation of bisphenols by t‐butyldimethylsilyl
描述了使用[Ph 3 P = N-PPh 3 ] + [HF 2 ] -作为催化剂的双烷基磺酰氟(AA单体)和双酚双(叔丁基二甲基甲硅烷基)醚(BB单体)之间基于SuFEx的缩聚反应。的AA单体通过高度可靠的迈克尔加成的乙烯磺酰氟和胺/苯胺制备,同时通过从双酚的甲硅烷基化得到的BB单体吨叔丁基二甲基氯硅烷。通过这些反应,通过利用现成的胺,苯胺和双酚作为起始原料,实现了单体结构单元的显着多样性。基于SuFEx的聚磺酸盐形成反应具有出色的效率和官能团耐受性,可在10分钟至1小时内以> 99%的转化率生产具有多种侧链官能度的聚磺酸盐。当在侧链上带有一个正交基团时,聚磺酸盐可以通过基于点击化学的后聚合修饰进一步功能化。