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Living Vinyl Addition Polymerization of Substituted Norbornenes by a t-Bu3P-Ligated Methylpalladium Complex

Author(s): Kim, D-G; Bell, A; Register, Richard A

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Abstract: The vinyl addition polymerization of substituted norbornene (NB) monomers, via (t-Bu3P)PdMeCl activated by [Li(OEt2)2.5]B(C6F5)4, is investigated. NB monomers bearing alkyl, aryl, fluoroaryl, and even hexafluoroisopropanol substituents yield polymers exhibiting monomodal and narrow molecular weight distributions, with molecular weight controlled by reaction time and monomer to initiator ratio, demonstrating the living nature of these polymerizations. These polymers are soluble in common organic solvents and possess excellent thermal stability. Block copolymers are also prepared via sequential monomer addition; these are the first examples of well-defined block copolymers of substituted NB monomers enchained by vinyl addition polymerization. (Figure Presented).
Publication Date: 2015
Citation: Kim, D-G, Bell, A, Register, RA. (2015). Living Vinyl Addition Polymerization of Substituted Norbornenes by a t-Bu<inf>3</inf>P-Ligated Methylpalladium Complex. ACS Macro Letters, 4 (327 - 330. doi:10.1021/acsmacrolett.5b00079
DOI: doi:10.1021/acsmacrolett.5b00079
Pages: 327 - 330
Type of Material: Journal Article
Journal/Proceeding Title: ACS Macro Letters
Version: Final published version. This is an open access article.

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