Wittig-Horner reactions on styrene-divinylbenzene supports with benzaldehyde side-groups |
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| Authors: | Adriana Popa Gheorghe Ilia Corneliu-Mircea Davidescu Smaranda Iliescu Nicoleta Plesu Aurelia Pascariu Zhengpu Zhang |
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| Affiliation: | (1) Institute of Chemistry Romanian Academy, Bd. Mihai Viteazul 24, R-300223 Timisoara, Romania;(2) Faculty of Industrial Chemistry and Enviromental Engineering, Physical Chemistry Department, ”Politehnica” University, Bul. V. Parvan 6, 300223 Timisoara, Romania;(3) Key Laboratory of Functional Materials for Adsorption and Separation, Institute of Polymer Chemistry, Nankai University, Tianjin, 300071, P.R. China |
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| Abstract: | Summary A styrene-divinylbenzene copolymer functionalized with aldehyde was prepared under phase transfer catalyzed (PTC) conditions.
A statistical method for the calculation of the degree of functionalization with aldehyde groups is proposed. The degree of
functionalization with aldehyde groups is relatively high.
Styrene-divinylbenzene polymers functionalized with benzaldehyde groups were used in Wittig-Horner reaction, in order to introduce
double bonds on polymers. The reactions were carried out using PTC method, solid-liquid-solid (s-l-s) (K2CO3, tetrahydrofuran, tetraethylammonium iodide) system. Phase transfer catalyzed reactions are often more easily and cheaply
carried out than conventional method and they are therefore of particular interest. |
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