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- W2324592695 endingPage "7433" @default.
- W2324592695 startingPage "7427" @default.
- W2324592695 abstract "Chromium complexes of three new ligands, Ph2PN(Me)(CH2)2-X [X = NMe2(PNN); PPh2 (PNP); Py (PNPy)], have been examined vis-a-vis their ability to promote ethylene tetramerization, (PNN)CrCl3(L) [L = THF (1); CH3CN (2)], (PNPy)CrCl3(L) [L = THF (3); CH3CN (4)], and (PNP)CrCl3(THF) (5). In the case of 2 and 4, it was possible to grow crystals suitable for X-ray diffraction. The reaction of 3 with Et3Al afforded the dinuclear [(HN(Me)(CH2)2Py)CrCl2Et]2 (6) containing a trivalent chromium connected to an Et group. During the alkylation though, the ligand has been fragmented with removal of the side arm and protonation of the N atom of the remaining NP residue. All the complexes have been tested for ethylene oligomerization activity. Complex 1 displayed the highest selectivity for 1-octene, upon activation with DMAO in MeCy. Contrary to expectations, complex 6 is not a self-activating catalyst." @default.
- W2324592695 created "2016-06-24" @default.
- W2324592695 creator A5026611636 @default.
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- W2324592695 creator A5032442900 @default.
- W2324592695 creator A5040366279 @default.
- W2324592695 creator A5063225492 @default.
- W2324592695 date "2012-10-25" @default.
- W2324592695 modified "2023-09-30" @default.
- W2324592695 title "Aminophosphine-Based Chromium Catalysts for Selective Ethylene Tetramerization" @default.
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- W2324592695 doi "https://doi.org/10.1021/om3007135" @default.
- W2324592695 hasPublicationYear "2012" @default.
- W2324592695 type Work @default.