An unsymmetrical binuclear iminopyridine-iron complex and its catalytic isoprene polymerization
Liang Wang, Xiaowu Wang, Hongbin Hou, Guangqian Zhu, Zhenyu Han, Weiying Yang, Xiao Chen, Qinggang Wang
Abstract
A series of chloride-bridged unsymmetrical mixed Fe(ii)-HS/Fe(ii)-LS binuclear structures has been prepared and characterized. Upon activation with MAO, highly efficient catalytic polymerization of isoprene was achieved, delivering an ultra-high molecular weight (catalyst loading = 2.5 ppm, Mn = 1.8 × 106 g mol-1, Mw/Mn = 1.4).
Topics & Concepts
IsoprenePolymerizationChemistryCatalysisPolymer chemistryPhotochemistryOrganic chemistryCombinatorial chemistryCopolymerPolymerOrganometallic Complex Synthesis and CatalysisLanthanide and Transition Metal ComplexesMagnetism in coordination complexes