Differences in the cyclometalation reactivity of bisphosphinimine-supported organo-rare earth complexesElectronic supplementary information (ESI) available: Atomic coordinates, interatomic distances and angles, anisotropic thermal parameters, and hydrogen parameters for 1, 2, 3, 4, and 5. CCDC 991840-991844 for 1-5. For crystallographic data in CIF format see DOI: 10.1039/c4dt00863d
The pyrrole-based ligand N , N ′-((1 H -pyrrole-2,5-diyl)bis(diphenylphosphoranylylidene))bis(4-isopropylaniline) (H L B ) can be deprotonated and coordinated to yttrium and samarium ions upon reaction with their respective trialkyl precursors. In the case of yttrium, the resulting complex [ L B Y(C...
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