铁基配合物在催化1,3-二烯单体均相配位-插入聚合中的应用

Iron-Based Complexes: Applications in 1,3-Diene Monomers Homogeneous Coordination-Insertion Polymerization Catalysis

开发环境友好的催化剂非常迫切。铁元素含量丰富且无毒的双重特性与这种趋势完全一致。在过去的几十年中,基于结构明确的铁络合物的催化反应研究增长非常迅速。在Gibson和Brookhart聚合乙烯的开创性工作之后,越来越多研究者使用铁基催化体系进行1,3-二烯的配位-插入聚合反应。1,3-二烯的聚合具有广泛的工业应用范围。本文通过研究近年来开发的催化体系来更新该领域的研究进展。就活性和选择性(相关时)及其局限性而言,特别着重强调其配合物的结构和催化性能间的关系。

There is an urgent need to develop catalysts in line with environmental concerns. The abundant and non-toxic dual character of the iron element is fully consistent with this trend. In the past decades, catalysis based on well-defined iron complexes has experienced a very rapid growth. After the pioneering work of Gibson and Brookhart related to the polymerization of ethylene, it appeared in the literature an increasing number of studies on the coordination-insertion polymerization of 1,3-dienes using iron-based catalytic systems. The purpose of this review is to provide an update in this field by examining the catalytic systems developed in recent years. Particular emphasis is placed on those involving discrete complexes through their structure and catalytic performance, in terms of both activity and selectivity(when relevant) as well as their limitations.