Abstract
β-imidophosphonamido ligated lutetium alkyl complex (NPNDipp)Lu(CH2SiMe3)2(THF) (NPNDipp = Ph2P(NC6H3 iPr2-2,6)2) with the activation of AliBu3 and [Ph3C][B(C6F5)4] exhibited high catalytic activity, medium syndio-(rr = 66%) but remarkably high 3,4-regioselectivity for the polymerization of β-myrcene (MY). In sharp contrast, high isotactic 3,4-polymyrcene (PMY) (mm = 95%) was obtained by the precursor (NPNEt)Lu(CH2SiMe3)2(THF) (NPNEt = PPh2(NC6H3 iPr2-2,6)(NC6H4-Et-2)) with less bulky substituents on the N-aryl ring.
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This work was financially supported by the National Natural Science Foundation of China (Nos. 21104074 and 51321062).
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Liu, B., Han, By., Zhang, Cl. et al. Renewable β-myrcene polymerization initiated by lutetium alkyl complexes ligated by imidophosphonamido ligand. Chin J Polym Sci 33, 792–796 (2015). https://doi.org/10.1007/s10118-015-1629-8
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DOI: https://doi.org/10.1007/s10118-015-1629-8