Acyclic Diene Metathesis Condensation (ADMET) of 1,2-Divinylferrocene (DVFC)

Wirth-Pfeifer, Christine; Michel, Armin; Weiss, Karin

doi:10.1007/978-94-010-0066-6_23

Cited by 3 publications

(2 citation statements)

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“…Ring-opening metathesis polymerization (ROMP) on ring-strained unsaturated ferrocenophanes , and acyclic diene metathesis (ADMET) polymerization on α,ω-dienes , have been utilized to produce unsaturated polyethylene-containing linear polymers such as poly(ferrocenylenevinylene) (PFV) and poly(1,2-divinylferrocene) (PVF) . Although, such materials suffer from low molar mass, it was reported that they exhibit more efficient metal–metal interactions than the saturated polymers …”

Section: Introductionmentioning

confidence: 99%

Electron Transfer Studies on Conjugated Ferrocenyl-Containing Oligomers

et al. 2016

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1,2-Divinylferrocene (1) and 1,2-diformylferrocene (3) have been converted to ferrocenyl-containing oligomers in good yields using ADMET (acyclic diene metathesis) and HWE (Horner–Wadsworth–Emmons) reaction protocols. The resulting oligomers showed a high uniformity (low dispersity values); however, the poor solubility limits the chain growth and led to low average molecular weights. Within electrochemical measurements (CV) the conjugated materials showed reversible behavior that was stable during multicyclic experiments. Coupled electrochemical and spectroscopic studies confirmed electron transfer interactions between the ferrocenyl units through the oligomeric chains.

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Section: Introductionmentioning

confidence: 99%

Electron Transfer Studies on Conjugated Ferrocenyl-Containing Oligomers

et al. 2016

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“…[3][4][5][6][7][8] Since it was first demonstrated in 1990, Wagener and others have shown the utility of ADMET by synthesizing so-called inorganic/organic hybrid polymers containing main group elements such as polycarbostannanes, 9,10 polycarbogermanes, 11,12 and polycarbosilanes. 13,14 Polyferrocenes [15][16][17] have also been prepared by ADMET and are the only examples, thus far, of transition-metal-containing polymers prepared by this method. To explore the scope of ADMET in preparing polymers containing transition metals, we studied the ability of ADMET to prepare polymers with molybdenum complexes incorporated into the main chain.…”

Section: Introductionmentioning

confidence: 99%

Transition-Metal-Containing Polymers by ADMET: Polymerization of cis-Mo(CO)₄(Ph₂P(CH₂)₃CH═CH₂)₂

2008

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Polymerization of the cis-Mo(CO)4(Ph2P(CH2)3CHCH2)2 complex using acyclic diene metathesis (ADMET) polymerization is reported. Ideally, ADMET polymerization is performed in bulk monomer to maximize monomer concentration and favor formation of polymer. The monomer in this case is a solid with a melting temperature of 128 °C, which is well above room temperature and above the range of catalyst stability. The polymerization was carried out therefore in a concentrated solution of toluene. The complex underwent polymerization when catalyzed with Grubbs’ second-generation catalyst; neither Grubbs’ first-generation catalyst nor Schrock’s catalyst was active. Homopolymerization resulted in oligomers of M n = 2060 (n ≈ 3, GPC relative to polystyrene). At elevated temperatures the coordination core of the polymerized cis-Mo(CO)4(Ph2P(CH2)3CHCH2)2 complex isomerized to the trans geometry. Copolymerization with 1,9-decadiene was also carried out and resulted in an oligomer of slightly higher molecular weight, M n = 5800. It is suggested that ADMET is not an effective method for obtaining high molecular weight polymers in this case because the monomer is neither a liquid nor a low-melting solid, and therefore a high monomer concentration could not be achieved.

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Main-Chain Ferrocene-Containing Polymers Prepared by Acyclic Diene Metathesis Polymerization: A Review

Sha

Zhi-hua

Jia

et al. 2020

COC

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Ferrocene, the crown of metallocene family, is widely studied as a functional unit in electrochemical and catalytic applications due to its sandwich structure. Ferrocene moieties can be embedded into the polymer backbone, leading to main-chain ferrocenecontaining polymers. These polymeric materials combine the unique functionalities of iron center with the processabilities of polymers. As one of the choice polymerization techniques, acyclic diene metathesis (ADMET) polymerization serves as a versatile method to prepare main-chain ferrocene-containing polymers under mild conditions using α,ω-dienes as monomers. This paper overviews main-chain ferrocene-containing polymers prepared by ADMET polymerization. Advances in the design, synthesis and applications of this class of organometallic monomers and polymers are detailed.

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Acyclic Diene Metathesis Condensation (ADMET) of 1,2-Divinylferrocene (DVFC)

Cited by 3 publications

References 11 publications

Electron Transfer Studies on Conjugated Ferrocenyl-Containing Oligomers

Electron Transfer Studies on Conjugated Ferrocenyl-Containing Oligomers

Transition-Metal-Containing Polymers by ADMET: Polymerization of cis-Mo(CO)₄(Ph₂P(CH₂)₃CH═CH₂)₂

Main-Chain Ferrocene-Containing Polymers Prepared by Acyclic Diene Metathesis Polymerization: A Review

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Acyclic Diene Metathesis Condensation (ADMET) of 1,2-Divinylferrocene (DVFC)

Cited by 3 publications

References 11 publications

Electron Transfer Studies on Conjugated Ferrocenyl-Containing Oligomers

Electron Transfer Studies on Conjugated Ferrocenyl-Containing Oligomers

Transition-Metal-Containing Polymers by ADMET: Polymerization of cis-Mo(CO)4(Ph2P(CH2)3CH═CH2)2

Main-Chain Ferrocene-Containing Polymers Prepared by Acyclic Diene Metathesis Polymerization: A Review

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Transition-Metal-Containing Polymers by ADMET: Polymerization of cis-Mo(CO)₄(Ph₂P(CH₂)₃CH═CH₂)₂