Chromium N-phosphinoamidine ethylene tri-/tetramerization catalysts: Designing a step change in 1-octene selectivity
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DOI: 10.1016/j.jcat.2020.10.021
Abstract: Abstract Steric reduction principles were applied in N-phosphinoamidine ligand (PN) design to significantly improve 1-octene selectivity in ethylene tri-/tetramerization chromium catalysis. Novel phosphole- and phospholane-based PN-ligands were prepared and used to synthesize discrete chromium complexes… read more here.
Keywords: tri tetramerization; ethylene tri; octene selectivity; selectivity ... See more keywords
Chromium-Based Complexes Bearing Aminophosphine and Phosphine–Imine–Pyrryl Ligands for Selective Ethylene Tri/Tetramerization
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DOI: 10.1021/acsomega.3c02083
Abstract: A series of Cr-based complexes 6–10 bearing aminophosphine (P,N) ligands Ph2P–L–NH2 [L = CH2CH2 (1), L = CH2CH2CH2 (2), and L = C6H4CH2 (3)] and phosphine–imine–pyrryl (P,N,N) ligands 2-(Ph2P–L–N=CH)C4H3NH [L = CH2CH2CH2 (4) and L… read more here.
Keywords: ethylene tri; complexes bearing; tri tetramerization; based complexes ... See more keywords