Renewable -Myrcene Polymerization Initiated by Lutetium Alkyl Complexes Ligated by Imidophosphonamido Ligand

Bo Liu Bao-yu Han Chun-ling Zhang Shi-hui Li Guang-ping Sun Dong-mei Cui

Citation:  Bo Liu, Bao-yu Han, Chun-ling Zhang, Shi-hui Li, Guang-ping Sun, Dong-mei Cui. Renewable -Myrcene Polymerization Initiated by Lutetium Alkyl Complexes Ligated by Imidophosphonamido Ligand[J]. Chinese Journal of Polymer Science, 2015, 33(5): 792-796. doi: 10.1007/s10118-015-1629-8 shu

Renewable -Myrcene Polymerization Initiated by Lutetium Alkyl Complexes Ligated by Imidophosphonamido Ligand

  • 基金项目:

    This work was financially supported by the National Natural Science Foundation of China (Nos. 21104074 and 51321062).

摘要: -Imidophosphonamido ligated lutetium alkyl complex (NPNDipp)Lu(CH2SiMe3)2(THF) (NPNDipp = Ph2P(NC6H3iPr2-2,6)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 -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(NC6H3iPr2-2,6)(NC6H4-Et-2)) with less bulky substituents on the N-aryl ring.

English

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  • 发布日期:  2015-05-05
  • 收稿日期:  2014-12-21
  • 修回日期:  2015-01-17
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