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(Arylimido)niobium(V)–Alkylidenes, Nb(CHSiMe3)(NAr)[OC(CF3)3](PMe3)2, That Enable to Proceed Living Metathesis Polymerization of Internal Alkynes

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1 Published in 2020 at "Macromolecules"

DOI: 10.1021/acs.macromol.0c00874

Abstract: Living polymerizations of internal alkynes (2-hexyne, 3-hexyne, 4-methyl-2-pentyne, and 1-phenyl-1-propyne) have been demonstrated at 50 °C by (arylimido)­niobium­(V)–alkylidene complex catalysts, Nb­(CHSiMe3)­(NAr)­[OC­(CF3)3]­(PMe3)2 [Ar = 2,6-Me2C6H3 (4a), 2-MeC6H4 (4c), and 2,6-Cl2C6H3 (4d)], in the presence of PMe3,… read more here.

Keywords: pme3; polymerization; internal alkynes; arylimido niobium ... See more keywords