Polyethylene Oligomer Supported Olefin Metathesis Catalysts

doi:10.1055/s-0031-1289244

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Synfacts 2011(11): 1255-1255
DOI: 10.1055/s-0031-1289244

Polymer-Supported Synthesis

Polyethylene Oligomer Supported Olefin Metathesis Catalysts

Contributor(s): Yasuhiro Uozumi, Yoichi M. A. Yamada, Maki Minakawa
C. Hobbs, Y.-C. Yang, J. Ling, S. Nicola, H.-L. Su, H. S. Bazzi*, D. E. Bergbreiter*
Texas A&M University, College Station, USA and Texas A&M University at Qatar, Doha, Qatar

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Publikationsdatum:
19. Oktober 2011 (online)

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Significance

Polyethylene (PE) oligomer supported N-heterocyclic carbene ruthenium complex 1 as a recyclable ring-closing metathesis (RCM) catalyst was described. The polymeric complex 1 exhibited thermomorphic solubility, being insoluble in toluene at 25 ˚C and soluble at 65 ˚C. The homogeneous RCM with 1 was performed in toluene at 65 ˚C, and cooling to 25 ˚C led to precipitation of 1. The reaction system afforded quantitative products with high recyclability.