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Issue 1, 2015
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A biomass-derived safe medium to replace toxic dipolar solvents and access cleaner Heck coupling reactions

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Abstract

γ-Valerolactone (GVL) is an excellent reaction medium, derived from biomasses, which can replace classic dipolar aprotic media such as DMF or NMP. In this contribution, we have investigated the use of GVL in the palladium-catalyzed Heck reaction and accessed the clean synthesis of several small molecules. Furthermore, we optimized a GVL-based protocol to synthesize a poly(phenylenevinylene) (PPV) derivative in high yields and purity, and with very low Pd-content. Finally, we demonstrated that GVL is superior to conventional dipolar media in terms of controlling palladium impurities, which may influence the performance of certain optoelectronic devices such as organic solar cells and field-effect transistors.

Graphical abstract: A biomass-derived safe medium to replace toxic dipolar solvents and access cleaner Heck coupling reactions

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Supplementary files

Article information


Submitted
29 Aug 2014
Accepted
01 Sep 2014
First published
04 Sep 2014

Green Chem., 2015,17, 365-372
Article type
Paper
Author version available

A biomass-derived safe medium to replace toxic dipolar solvents and access cleaner Heck coupling reactions

G. Strappaveccia, E. Ismalaj, C. Petrucci, D. Lanari, A. Marrocchi, M. Drees, A. Facchetti and L. Vaccaro, Green Chem., 2015, 17, 365
DOI: 10.1039/C4GC01677G

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