Catalytic cyclopropanation of polybutadienes


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Prüfsumme: MD5:10264a048a950a0b8dcd916589a4a655

URBANO, Juan, Brigitte KORTHALS, María del Mar DÍAZ-REQUEJO, Pedro J. PÉREZ, Stefan MECKING, 2010. Catalytic cyclopropanation of polybutadienes. In: Journal of Polymer Science, Part A: Polymer Chemistry. 48(20), pp. 4439-4444. eISSN 0887-624X. Available under: doi: 10.1002/pola.24231

@article{Urbano2010Catal-1058, title={Catalytic cyclopropanation of polybutadienes}, year={2010}, doi={10.1002/pola.24231}, number={20}, volume={48}, journal={Journal of Polymer Science, Part A: Polymer Chemistry}, pages={4439--4444}, author={Urbano, Juan and Korthals, Brigitte and Díaz-Requejo, María del Mar and Pérez, Pedro J. and Mecking, Stefan} }

Urbano, Juan Mecking, Stefan Díaz-Requejo, María del Mar deposit-license 2011-03-22T17:55:00Z eng Catalytic cyclopropanation of polybutadienes Catalytic cyclopropanation of commercial 1,2- or 1,4-cis-polybutadiene, respectively, with ethyl diazoacetate catalyzed by [TpBr3Cu(NCMe)] (TpBr3 = hydrotris(3,4,5-tribromo-1-pyrazolyl)borate) at room temperature afforded high molecular weight (Mn > 105 mol−1) side-chain or main-chain, respectively, carboxyethyl cyclopropyl-substituted polymers with variable and controlled degrees of functionalization. Complete functionalization of 1,4-cis-polybutadiene afforded poly[ethylene-alt-(3-ethoxycarbonyl-cyclopropene)]. Catalytic hydrogenation of residual double bonds of partially cyclopropanated polybutadienes provided access to the corresponding saturated polyolefins. Thermal properties are reported. Pérez, Pedro J. Pérez, Pedro J. Korthals, Brigitte 2010 Korthals, Brigitte 2011-03-22T17:55:00Z Mecking, Stefan Díaz-Requejo, María del Mar Publ. in: Journal of Polymer Science, Part A: Polymer Chemistry 48 (2010), 20, pp. 4439-4444 Urbano, Juan

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