Mechanosynthesis of Noels-type NHC–Ruthenium Complexes and Applications in Ring-Opening Metathesis Polymerization,Organometallics

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Mechanosynthesis of Noels-type NHC–Ruthenium Complexes and Applications in Ring-Opening Metathesis Polymerization
Organometallics ( IF 2.5 ) Pub Date : 2020-02-21 , DOI: 10.1021/acs.organomet.0c00013
François Quintin ₁ , Julien Pinaud ₂ , Frédéric Lamaty ₁ , Xavier Bantreil ₁

Affiliation

The use of ball mills enabled the efficient mechanosynthesis of a variety of N-aryl,N-alkyl imidazolium salts and of corresponding NHC silver(I) complexes. Transmetalation with ruthenium via mechanochemistry allowed the rapid access (from 1.5 min to 1 h) to complexes having a similar structure to Noels-type precatalysts. Evaluation of the complexes in the ring-opening metathesis polymerization of norbornene in different solvent, including nontoxic ones, showed a high catalytic activity for one of them, comparable to that of the Noels catalyst.

中文翻译：

Noels型NHC-钌配合物的机械合成及其在开环易位聚合中的应用

球磨机的使用使各种N-芳基，N-烷基咪唑鎓盐和相应的NHC银（I）络合物的有效机械合成成为可能。钌通过机械化学进行重金属化可以快速进入（从1.5分钟到1小时）到与Noels型预催化剂具有相似结构的络合物。评估降冰片烯在不同溶剂（包括无毒溶剂）中的开环易位聚合反应中的配合物，发现其中一种与Noels催化剂相比具有很高的催化活性。

更新日期：2020-02-21

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