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Ethyl 2-bromoisobutyrate CAS#: 600-00-0

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Ethyl 2-bromoisobutyrate is used as an Atom Transfer Radical Polymerization (ATRP) initiator that will generate a polymer with an ethyl end group.

ethyl 2-bromoisobutyrate | Sigma-Aldrich
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Maw-ling Wang & Ging-Kun Lam. Hydrolysis Of Ethyl-2-Bromoisobutyrate Ester In An Alkaline Solution. Chemical Engineering Communications. 2004, 191 (2), 220-240.Hung-Ming Yang; Ch'un-Min Wu and Huai-En Wu. Kinetics for phenolysis of ethyl 2-bromoisobutyrate via phase-transfer catalysis in a solid-liquid system. Journal of Chemical Technology and Biotechnology. 2000, 75 (5), 387-393.

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2-Bromoisobutyric acid ethyl ester
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Polymerization of tBMA with ethyl 2-bromoisobutyrate resulted in uncontrolled polymerization due to slow initiation because of the low back strain effect and relatively high propagation rate constant of tBMA.

Maw-ling Wang & Ging-Kun Lam. Hydrolysis Of Ethyl-2-Bromoisobutyrate Ester In An Alkaline Solution. Chemical Engineering Communications. 2004, 191 (2), 220-240.

Ethyl 2-bromopropionate CAS#: 535-11-5

The synthesis of water-soluble macromonomers of 2-(dimethylamino)ethyl ..
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Hung-Ming Yang; Ch'un-Min Wu and Huai-En Wu. Kinetics for phenolysis of ethyl 2-bromoisobutyrate via phase-transfer catalysis in a solid-liquid system. Journal of Chemical Technology and Biotechnology. 2000, 75 (5), 387-393.

The synthesis of water-soluble macromonomers of 2-(dimethylamino)ethyl methacrylate (DMAEMA) by atom transfer radical polymerization (ATRP) was studied in detail. The survival of the unsaturated groups in the initiators during the macromonomer preparation as well as the initiator efficiency depended on the nature of initiator and type of ligand used. The kinetics of the ATRP of DMAEMA catalyzed by allyl 2-bromoisobutyrate (ABIB)/copper bromide (CuBr)/,,‘,‘,‘ ‘-pentamethyldiethylenetriamine (PMDETA) system at different conditions indicated that the low initiator efficiency of the ATRP system could not be improved by increasing temperature or changing solvents. It was found that ABIB/CuBr/tris(2-di(butylacrylate)aminoethyl)amine (BA6-TREN) and allyl trichloroacetamide (ATCA)/CuBr/BA6-TREN gave high initiator efficiencies and excellent control over the molecular weights and molecular weight distributions in the ATRP of DMAEMA. 1H NMR studies confirmed that each polyDMAEMA chain had a polymerizable allyl end group. These allyl-terminated polyDMAEMAs after quaternized were proven to be reactive in the copolymerization with acrylamide.

Ethyl 2-Bromoisobutyrate High Purity
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  • Polymerization of tBMA with ethyl 2-bromoisobutyrate resulted in ..

    Ethyl 2-bromoisobutyrate

  • The ATRP of MA using ethyl 2-bromoisobutyrate (EBiB) as initiator, ..

    was obtained by ATRP of styrene monomers using ethyl 2-bromoisobutyrate as initiator.

  • Ethyl-2-bromoesobutanoate;Ethyl-2-bromo-2 …

    Ethyl 2-Bromoisobutyrate: Isotopic Enrichment: 99 …

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