Palladium-based system for the polymerization of acrylates. Scope and mechanism

Christine Elia; Sharon Elyashiv-Barad; Ayusman Sen; Raquel López-Fernández; Ana C. Albéniz; Pablo Espinet

doi:10.1021/om020435q

Palladium-based system for the polymerization of acrylates. Scope and mechanism

Christine Elia, Sharon Elyashiv-Barad, Ayusman Sen, Raquel López-Fernández, Ana C. Albéniz, Pablo Espinet

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Abstract

The neutral palladium complex [Pd(C₆F₅)Br(NCMe)₂] (1) was found to effect the polymerization of acrylates upon addition of 1 equiv of a monodentate phosphine or pyridine or an excess of halide. Methyl methacrylate was not polymerized, and furthermore, its addition stopped the progress of independently initiated methyl acrylate polymerization in the phosphine-based system. Addition of ethene also inhibited the polymerization of methyl acrylate. However, over 10 mol % incorporation of 1-hexene in the polymer was achieved when the latter was added together with methyl acrylate. The polymerizaion mechanism is discussed.

Original language	English (US)
Pages (from-to)	4249-4256
Number of pages	8
Journal	Organometallics
Volume	21
Issue number	20
DOIs	https://doi.org/10.1021/om020435q
State	Published - Sep 30 2002

All Science Journal Classification (ASJC) codes

Physical and Theoretical Chemistry
Organic Chemistry
Inorganic Chemistry

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abstract = "The neutral palladium complex [Pd(C6F5)Br(NCMe)2] (1) was found to effect the polymerization of acrylates upon addition of 1 equiv of a monodentate phosphine or pyridine or an excess of halide. Methyl methacrylate was not polymerized, and furthermore, its addition stopped the progress of independently initiated methyl acrylate polymerization in the phosphine-based system. Addition of ethene also inhibited the polymerization of methyl acrylate. However, over 10 mol % incorporation of 1-hexene in the polymer was achieved when the latter was added together with methyl acrylate. The polymerizaion mechanism is discussed.",

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AU - Elia, Christine

AU - Elyashiv-Barad, Sharon

AU - Sen, Ayusman

AU - López-Fernández, Raquel

AU - Albéniz, Ana C.

AU - Espinet, Pablo

PY - 2002/9/30

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AB - The neutral palladium complex [Pd(C6F5)Br(NCMe)2] (1) was found to effect the polymerization of acrylates upon addition of 1 equiv of a monodentate phosphine or pyridine or an excess of halide. Methyl methacrylate was not polymerized, and furthermore, its addition stopped the progress of independently initiated methyl acrylate polymerization in the phosphine-based system. Addition of ethene also inhibited the polymerization of methyl acrylate. However, over 10 mol % incorporation of 1-hexene in the polymer was achieved when the latter was added together with methyl acrylate. The polymerizaion mechanism is discussed.

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Palladium-based system for the polymerization of acrylates. Scope and mechanism

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