Catalytic cyclopropanation of polybutadienes

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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 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. terms-of-use 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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