Reductive amination of furanic aldehydes in aqueous solution over versatile NiyAlOx catalysts

Yuan, Hangkong, Li, Jerry-Peng, Su, Fangzheng, Yan, Zhen, Kusema, Bright T., Streiff, Stéphane, Huang, Yongji, Pera-Titus, Marc and Shi, Feng 2019. Reductive amination of furanic aldehydes in aqueous solution over versatile NiyAlOx catalysts. ACS Omega 4 (2) , pp. 2510-2516. 10.1021/acsomega.8b03516

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Abstract

We disclose in this study a Ni6AlOx catalyst prepared by coprecipitation for the reductive amination of biomass-derived aldehydes and ketones in aqueous ammonia under mild reaction conditions. The catalyst exhibited 99% yield toward 5-aminomethyl-2-furylmethanol in the reaction of 5-hydroxymethyl furfural with ammonia at 100 °C for 6 h under 1 bar H2. The catalyst was further extended to the reductive amination of a library of aromatic and aliphatic aldehydes and ketones with a yield in the range 81–90% at optimized reaction conditions. Besides, 5-hydroxymethylfurfural could react with a library of primary and secondary amines with yields in the range 76–88%. The catalyst could be easily recycled and reused without apparent loss of activity in four consecutive runs.

Item Type:	Article
Date Type:	Publication
Status:	Published
Schools:	Chemistry Cardiff Catalysis Institute (CCI)
Publisher:	American Chemical Society
ISSN:	2470-1343
Date of Acceptance:	22 January 2019
Last Modified:	12 Jan 2021 15:30
URI:	https://orca.cardiff.ac.uk/id/eprint/137470

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