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Copper-zinc Alloy Nanopowder: A Robust Precious-Metal-Free Catalyst for the Conversion of 5-hydroxymethylfurfural

Copper-zinc Alloy Nanopowder: A Robust Precious-Metal-Free Catalyst for the Conversion of 5-hydroxymethylfurfural

Giovanni Bottari, Angela J Kumalaputri, Krzysztof K Krawczyk, Ben L Feringa, Hero J Heeres, Katalin Barta

ChemSusChem. 2015 Apr 24;8(8):1323-7.

PMID: 25833148

Abstract:

Noble-metal-free copper-zinc nanoalloy (<150 nm) is found to be uniquely suited for the highly selective catalytic conversion of 5-hydroxymethylfurfural (HMF) to potential biofuels or chemical building blocks. Clean mixtures of 2,5-dimethylfuran (DMF) and 2,5-dimethyltetrahydrofuran (DMTHF) with combined product yields up to 97 % were obtained at 200-220 °C using 20-30 bar H2 . It is also possible to convert 10 wt % HMF solutions in CPME, with an excellent DMF yield of 90 %. Milder temperatures favor selective (95 %) formation of 2,5-furandimethanol (FDM). The one-pot conversion of fructose to valuable furan-ethers was also explored. Recycling experiments for DMF production show remarkable catalyst stability. Transmission electron microscopy (TEM) characterization provides more insight into morphological changes of this intriguing class of materials during catalysis.

Chemicals Related in the Paper:

Catalog Number	Product Name	Structure	CAS Number	Price
LS76609	Copper-zinc alloy			Price

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