Cyclooctyl-Fused Iminopyridine Iron Precatalyst

High Activity, Tunable Selectivity

A rigid cyclooctyl-fused iminopyridine iron complex that enables highly efficient isoprene polymerization at very low loadings, yielding high molecular weight polymers with tunable microstructure.

Sun, Wenhua · Mahmood, Qaiser · Zhang, Wenjuan

Dalton Transactions 2023

Specifications

Monomer conversion

{'zh': '>99', 'en': '>99'} %

Fe Ip

{'zh': '4.0 × 10⁶', 'en': '0.0025'} mol%

regioselectivity tunable

{'zh': '', 'en': '31,'} cis-1

Advantages

High activity over -20 °C to 100 °C (typically 10⁵ g_PI/(mol_Fe·h))