Boron “stitching” reaction: a powerful tool for the synthesis of polyethylene-based star architectures†,Polymer Chemistry

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Boron “stitching” reaction: a powerful tool for the synthesis of polyethylene-based star architectures†
Polymer Chemistry ( IF 4.1 ) Pub Date : 2018-02-07 00:00:00 , DOI: 10.1039/c8py00110c
George Zapsas _{1,

2,

3,

4,

5} , Konstantinos Ntetsikas _{1,

2,

3,

4,

5} , Joey Kim _{6,

7,

8,

9} , Panayiotis Bilalis _{1,

2,

3,

4,

5} , Yves Gnanou _{1,

4,

5,

10} , Nikos Hadjichristidis _{1,

2,

3,

4,

5}

Affiliation

The linking of macroanions with BF₃OEt₂ leads to a 3-arm star with a boron junction point, which can serve as a macroinitiator for the polyhomologation of dimethylsulfoxonium methylide, thus enabling the synthesis of novel but not “stable” polyethylene (PE)-based 3-arm star block copolymers. Taking advantage of the “stitching” reaction, which transforms the “unstable” boron junction to “stable” carbon, we were able to synthesize novel star block copolymers. This strategy is general and opens new horizons towards unprecedented PE-based materials.

中文翻译：

硼的“缝合”反应：合成基于聚乙烯的星形结构的强大工具†

大阴离子与BF ₃ OEt _2的连接导致形成一个具有硼结点的3臂星形，该星形接枝可以用作大分子引发剂，用于二甲基亚砜基亚甲基的多同源性，从而能够合成新颖但不“稳定”的聚乙烯（PE）基三臂星形嵌段共聚物。利用“缝合”反应将“不稳定”的硼结转变为“稳定”碳，我们能够合成新型的星形嵌段共聚物。这种策略是通用的，为前所未有的基于PE的材料开辟了新的视野。

更新日期：2018-02-07

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